20131488400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{48533}}^1$

素因数の和:48629

約数の個数: 120

約数和(自身を含む): 52051550184

約数和(自身を除く): 31920061784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 61, 68, 80, 85, 100, 122, 136, 170, 200, 244, 272, 305, 340, 400, 425, 488, 610, 680, 850, 976, 1037, 1220, 1360, 1525, 1700, 2074, 2440, 3050, 3400, 4148, 4880, 5185, 6100, 6800, 8296, 10370, 12200, 16592, 20740, 24400, 25925, 41480, 48533, 51850, 82960, 97066, 103700, 194132, 207400, 242665, 388264, 414800, 485330, 776528, 825061, 970660, 1213325, 1650122, 1941320, 2426650, 2960513, 3300244, 3882640, 4125305, 4853300, 5921026, 6600488, 8250610, 9706600, 11842052, 13200976, 14802565, 16501220, 19413200, 20626525, 23684104, 29605130, 33002440, 41253050, 47368208, 50328721, 59210260, 66004880, 74012825, 82506100, 100657442, 118420520, 148025650, 165012200, 201314884, 236841040, 251643605, 296051300, 330024400, 402629768, 503287210, 592102600, 805259536, 1006574420, 1184205200, 1258218025, 2013148840, 2516436050, 4026297680, 5032872100, 10065744200, 20131488400]

約数ペア:

[(1, 20131488400), (2, 10065744200), (4, 5032872100), (5, 4026297680), (8, 2516436050), (10, 2013148840), (16, 1258218025), (17, 1184205200), (20, 1006574420), (25, 805259536), (34, 592102600), (40, 503287210), (50, 402629768), (61, 330024400), (68, 296051300), (80, 251643605), (85, 236841040), (100, 201314884), (122, 165012200), (136, 148025650), (170, 118420520), (200, 100657442), (244, 82506100), (272, 74012825), (305, 66004880), (340, 59210260), (400, 50328721), (425, 47368208), (488, 41253050), (610, 33002440), (680, 29605130), (850, 23684104), (976, 20626525), (1037, 19413200), (1220, 16501220), (1360, 14802565), (1525, 13200976), (1700, 11842052), (2074, 9706600), (2440, 8250610), (3050, 6600488), (3400, 5921026), (4148, 4853300), (4880, 4125305), (5185, 3882640), (6100, 3300244), (6800, 2960513), (8296, 2426650), (10370, 1941320), (12200, 1650122), (16592, 1213325), (20740, 970660), (24400, 825061), (25925, 776528), (41480, 485330), (48533, 414800), (51850, 388264), (82960, 242665), (97066, 207400), (103700, 194132)]