158202920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127583}}^1$

素因数の和:127625

約数の個数: 32

約数和(自身を含む): 367441920

約数和(自身を除く): 209239000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 127583, 255166, 510332, 637915, 1020664, 1275830, 2551660, 3955073, 5103320, 7910146, 15820292, 19775365, 31640584, 39550730, 79101460, 158202920]

約数ペア:

[(1, 158202920), (2, 79101460), (4, 39550730), (5, 31640584), (8, 19775365), (10, 15820292), (20, 7910146), (31, 5103320), (40, 3955073), (62, 2551660), (124, 1275830), (155, 1020664), (248, 637915), (310, 510332), (620, 255166), (1240, 127583)]