13308318040

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{211781}}^1$

素因数の和:213363

約数の個数: 32

約数和(自身を含む): 29962917360

約数和(自身を除く): 16654599320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 3142, 6284, 7855, 12568, 15710, 31420, 62840, 211781, 423562, 847124, 1058905, 1694248, 2117810, 4235620, 8471240, 332707951, 665415902, 1330831804, 1663539755, 2661663608, 3327079510, 6654159020, 13308318040]

約数ペア:

[(1, 13308318040), (2, 6654159020), (4, 3327079510), (5, 2661663608), (8, 1663539755), (10, 1330831804), (20, 665415902), (40, 332707951), (1571, 8471240), (3142, 4235620), (6284, 2117810), (7855, 1694248), (12568, 1058905), (15710, 847124), (31420, 423562), (62840, 211781)]