156942920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{24071}}^1$

素因数の和:24245

約数の個数: 32

約数和(自身を含む): 355302720

約数和(自身を除く): 198359800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 24071, 48142, 96284, 120355, 192568, 240710, 481420, 962840, 3923573, 7847146, 15694292, 19617865, 31388584, 39235730, 78471460, 156942920]

約数ペア:

[(1, 156942920), (2, 78471460), (4, 39235730), (5, 31388584), (8, 19617865), (10, 15694292), (20, 7847146), (40, 3923573), (163, 962840), (326, 481420), (652, 240710), (815, 192568), (1304, 120355), (1630, 96284), (3260, 48142), (6520, 24071)]