413898460

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{21313}}^1$

素因数の和:22293

約数の個数: 24

約数和(自身を含む): 870122736

約数和(自身を除く): 456224276

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 19420, 21313, 42626, 85252, 106565, 213130, 426260, 20694923, 41389846, 82779692, 103474615, 206949230, 413898460]

約数ペア:

[(1, 413898460), (2, 206949230), (4, 103474615), (5, 82779692), (10, 41389846), (20, 20694923), (971, 426260), (1942, 213130), (3884, 106565), (4855, 85252), (9710, 42626), (19420, 21313)]