55987880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 137773440

約数和(自身を除く): 81785560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1607, 1742, 2680, 3214, 3484, 4355, 6428, 6968, 8035, 8710, 12856, 16070, 17420, 20891, 32140, 34840, 41782, 64280, 83564, 104455, 107669, 167128, 208910, 215338, 417820, 430676, 538345, 835640, 861352, 1076690, 1399697, 2153380, 2799394, 4306760, 5598788, 6998485, 11197576, 13996970, 27993940, 55987880]

約数ペア:

[(1, 55987880), (2, 27993940), (4, 13996970), (5, 11197576), (8, 6998485), (10, 5598788), (13, 4306760), (20, 2799394), (26, 2153380), (40, 1399697), (52, 1076690), (65, 861352), (67, 835640), (104, 538345), (130, 430676), (134, 417820), (260, 215338), (268, 208910), (335, 167128), (520, 107669), (536, 104455), (670, 83564), (871, 64280), (1340, 41782), (1607, 34840), (1742, 32140), (2680, 20891), (3214, 17420), (3484, 16070), (4355, 12856), (6428, 8710), (6968, 8035)]