71588920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4496

約数の個数: 64

約数和(自身を含む): 179101440

約数和(自身を除く): 107512520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4441, 8060, 8882, 16120, 17764, 22205, 35528, 44410, 57733, 88820, 115466, 137671, 177640, 230932, 275342, 288665, 461864, 550684, 577330, 688355, 1101368, 1154660, 1376710, 1789723, 2309320, 2753420, 3579446, 5506840, 7158892, 8948615, 14317784, 17897230, 35794460, 71588920]

約数ペア:

[(1, 71588920), (2, 35794460), (4, 17897230), (5, 14317784), (8, 8948615), (10, 7158892), (13, 5506840), (20, 3579446), (26, 2753420), (31, 2309320), (40, 1789723), (52, 1376710), (62, 1154660), (65, 1101368), (104, 688355), (124, 577330), (130, 550684), (155, 461864), (248, 288665), (260, 275342), (310, 230932), (403, 177640), (520, 137671), (620, 115466), (806, 88820), (1240, 57733), (1612, 44410), (2015, 35528), (3224, 22205), (4030, 17764), (4441, 16120), (8060, 8882)]