80687792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{162677}}^1$

素因数の和:162716

約数の個数: 20

約数和(自身を含む): 161376576

約数和(自身を除く): 80688784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 162677, 325354, 650708, 1301416, 2602832, 5042987, 10085974, 20171948, 40343896, 80687792]

約数ペア:

[(1, 80687792), (2, 40343896), (4, 20171948), (8, 10085974), (16, 5042987), (31, 2602832), (62, 1301416), (124, 650708), (248, 325354), (496, 162677)]