123276920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237071}}^1$

素因数の和:237095

約数の個数: 32

約数和(自身を含む): 298710720

約数和(自身を除く): 175433800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 237071, 474142, 948284, 1185355, 1896568, 2370710, 3081923, 4741420, 6163846, 9482840, 12327692, 15409615, 24655384, 30819230, 61638460, 123276920]

約数ペア:

[(1, 123276920), (2, 61638460), (4, 30819230), (5, 24655384), (8, 15409615), (10, 12327692), (13, 9482840), (20, 6163846), (26, 4741420), (40, 3081923), (52, 2370710), (65, 1896568), (104, 1185355), (130, 948284), (260, 474142), (520, 237071)]