8909920

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 21228480

約数和(自身を除く): 12318560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 239, 466, 478, 932, 956, 1165, 1195, 1864, 1912, 2330, 2390, 3728, 3824, 4660, 4780, 7456, 7648, 9320, 9560, 18640, 19120, 37280, 38240, 55687, 111374, 222748, 278435, 445496, 556870, 890992, 1113740, 1781984, 2227480, 4454960, 8909920]

約数ペア:

[(1, 8909920), (2, 4454960), (4, 2227480), (5, 1781984), (8, 1113740), (10, 890992), (16, 556870), (20, 445496), (32, 278435), (40, 222748), (80, 111374), (160, 55687), (233, 38240), (239, 37280), (466, 19120), (478, 18640), (932, 9560), (956, 9320), (1165, 7648), (1195, 7456), (1864, 4780), (1912, 4660), (2330, 3824), (2390, 3728)]