80482640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143719}}^1$

素因数の和:143739

約数の個数: 40

約数和(自身を含む): 213855360

約数和(自身を除く): 133372720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143719, 287438, 574876, 718595, 1006033, 1149752, 1437190, 2012066, 2299504, 2874380, 4024132, 5030165, 5748760, 8048264, 10060330, 11497520, 16096528, 20120660, 40241320, 80482640]

約数ペア:

[(1, 80482640), (2, 40241320), (4, 20120660), (5, 16096528), (7, 11497520), (8, 10060330), (10, 8048264), (14, 5748760), (16, 5030165), (20, 4024132), (28, 2874380), (35, 2299504), (40, 2012066), (56, 1437190), (70, 1149752), (80, 1006033), (112, 718595), (140, 574876), (280, 287438), (560, 143719)]