42708640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20533}}^1$

素因数の和:20561

約数の個数: 48

約数和(自身を含む): 108665928

約数和(自身を除く): 65957288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20533, 41066, 82132, 102665, 164264, 205330, 266929, 328528, 410660, 533858, 657056, 821320, 1067716, 1334645, 1642640, 2135432, 2669290, 3285280, 4270864, 5338580, 8541728, 10677160, 21354320, 42708640]

約数ペア:

[(1, 42708640), (2, 21354320), (4, 10677160), (5, 8541728), (8, 5338580), (10, 4270864), (13, 3285280), (16, 2669290), (20, 2135432), (26, 1642640), (32, 1334645), (40, 1067716), (52, 821320), (65, 657056), (80, 533858), (104, 410660), (130, 328528), (160, 266929), (208, 205330), (260, 164264), (416, 102665), (520, 82132), (1040, 41066), (2080, 20533)]