91159840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18379}}^1$

素因数の和:18425

約数の個数: 48

約数和(自身を含む): 222324480

約数和(自身を除く): 131164640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18379, 36758, 73516, 91895, 147032, 183790, 294064, 367580, 569749, 588128, 735160, 1139498, 1470320, 2278996, 2848745, 2940640, 4557992, 5697490, 9115984, 11394980, 18231968, 22789960, 45579920, 91159840]

約数ペア:

[(1, 91159840), (2, 45579920), (4, 22789960), (5, 18231968), (8, 11394980), (10, 9115984), (16, 5697490), (20, 4557992), (31, 2940640), (32, 2848745), (40, 2278996), (62, 1470320), (80, 1139498), (124, 735160), (155, 588128), (160, 569749), (248, 367580), (310, 294064), (496, 183790), (620, 147032), (992, 91895), (1240, 73516), (2480, 36758), (4960, 18379)]