20161386400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{2207}}^1$

素因数の和:2847

約数の個数: 144

約数和(自身を含む): 51919176960

約数和(自身を除く): 31757790560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 601, 608, 760, 800, 950, 1202, 1520, 1900, 2207, 2404, 3005, 3040, 3800, 4414, 4808, 6010, 7600, 8828, 9616, 11035, 11419, 12020, 15025, 15200, 17656, 19232, 22070, 22838, 24040, 30050, 35312, 41933, 44140, 45676, 48080, 55175, 57095, 60100, 70624, 83866, 88280, 91352, 96160, 110350, 114190, 120200, 167732, 176560, 182704, 209665, 220700, 228380, 240400, 285475, 335464, 353120, 365408, 419330, 441400, 456760, 480800, 570950, 670928, 838660, 882800, 913520, 1048325, 1141900, 1326407, 1341856, 1677320, 1765600, 1827040, 2096650, 2283800, 2652814, 3354640, 4193300, 4567600, 5305628, 6632035, 6709280, 8386600, 9135200, 10611256, 13264070, 16773200, 21222512, 25201733, 26528140, 33160175, 33546400, 42445024, 50403466, 53056280, 66320350, 100806932, 106112560, 126008665, 132640700, 201613864, 212225120, 252017330, 265281400, 403227728, 504034660, 530562800, 630043325, 806455456, 1008069320, 1061125600, 1260086650, 2016138640, 2520173300, 4032277280, 5040346600, 10080693200, 20161386400]

約数ペア:

[(1, 20161386400), (2, 10080693200), (4, 5040346600), (5, 4032277280), (8, 2520173300), (10, 2016138640), (16, 1260086650), (19, 1061125600), (20, 1008069320), (25, 806455456), (32, 630043325), (38, 530562800), (40, 504034660), (50, 403227728), (76, 265281400), (80, 252017330), (95, 212225120), (100, 201613864), (152, 132640700), (160, 126008665), (190, 106112560), (200, 100806932), (304, 66320350), (380, 53056280), (400, 50403466), (475, 42445024), (601, 33546400), (608, 33160175), (760, 26528140), (800, 25201733), (950, 21222512), (1202, 16773200), (1520, 13264070), (1900, 10611256), (2207, 9135200), (2404, 8386600), (3005, 6709280), (3040, 6632035), (3800, 5305628), (4414, 4567600), (4808, 4193300), (6010, 3354640), (7600, 2652814), (8828, 2283800), (9616, 2096650), (11035, 1827040), (11419, 1765600), (12020, 1677320), (15025, 1341856), (15200, 1326407), (17656, 1141900), (19232, 1048325), (22070, 913520), (22838, 882800), (24040, 838660), (30050, 670928), (35312, 570950), (41933, 480800), (44140, 456760), (45676, 441400), (48080, 419330), (55175, 365408), (57095, 353120), (60100, 335464), (70624, 285475), (83866, 240400), (88280, 228380), (91352, 220700), (96160, 209665), (110350, 182704), (114190, 176560), (120200, 167732)]