80266510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 146916000

約数和(自身を除く): 66649490

約数列:

[1, 2, 5, 10, 109, 211, 218, 349, 422, 545, 698, 1055, 1090, 1745, 2110, 3490, 22999, 38041, 45998, 73639, 76082, 114995, 147278, 190205, 229990, 368195, 380410, 736390, 8026651, 16053302, 40133255, 80266510]

約数ペア:

[(1, 80266510), (2, 40133255), (5, 16053302), (10, 8026651), (109, 736390), (211, 380410), (218, 368195), (349, 229990), (422, 190205), (545, 147278), (698, 114995), (1055, 76082), (1090, 73639), (1745, 45998), (2110, 38041), (3490, 22999)]