20176657280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{2843}}^1$

素因数の和:3728

約数の個数: 128

約数和(自身を含む): 52024381920

約数和(自身を除く): 31847724640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 853, 1040, 1664, 1706, 2080, 2843, 3412, 4160, 4265, 5686, 6824, 8320, 8530, 11089, 11372, 13648, 14215, 17060, 22178, 22744, 27296, 28430, 34120, 36959, 44356, 45488, 54592, 55445, 56860, 68240, 73918, 88712, 90976, 109184, 110890, 113720, 136480, 147836, 177424, 181952, 184795, 221780, 227440, 272960, 295672, 354848, 363904, 369590, 443560, 454880, 545920, 591344, 709696, 739180, 887120, 909760, 1182688, 1419392, 1478360, 1774240, 1819520, 2365376, 2425079, 2956720, 3548480, 4730752, 4850158, 5913440, 7096960, 9700316, 11826880, 12125395, 19400632, 23653760, 24250790, 31526027, 38801264, 48501580, 63052054, 77602528, 97003160, 126104108, 155205056, 157630135, 194006320, 252208216, 310410112, 315260270, 388012640, 504416432, 630520540, 776025280, 1008832864, 1261041080, 1552050560, 2017665728, 2522082160, 4035331456, 5044164320, 10088328640, 20176657280]

約数ペア:

[(1, 20176657280), (2, 10088328640), (4, 5044164320), (5, 4035331456), (8, 2522082160), (10, 2017665728), (13, 1552050560), (16, 1261041080), (20, 1008832864), (26, 776025280), (32, 630520540), (40, 504416432), (52, 388012640), (64, 315260270), (65, 310410112), (80, 252208216), (104, 194006320), (128, 157630135), (130, 155205056), (160, 126104108), (208, 97003160), (260, 77602528), (320, 63052054), (416, 48501580), (520, 38801264), (640, 31526027), (832, 24250790), (853, 23653760), (1040, 19400632), (1664, 12125395), (1706, 11826880), (2080, 9700316), (2843, 7096960), (3412, 5913440), (4160, 4850158), (4265, 4730752), (5686, 3548480), (6824, 2956720), (8320, 2425079), (8530, 2365376), (11089, 1819520), (11372, 1774240), (13648, 1478360), (14215, 1419392), (17060, 1182688), (22178, 909760), (22744, 887120), (27296, 739180), (28430, 709696), (34120, 591344), (36959, 545920), (44356, 454880), (45488, 443560), (54592, 369590), (55445, 363904), (56860, 354848), (68240, 295672), (73918, 272960), (88712, 227440), (90976, 221780), (109184, 184795), (110890, 181952), (113720, 177424), (136480, 147836)]