520120784780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{159546253}}^1$

素因数の和:159546425

約数の個数: 24

約数和(自身を含む): 1098954597552

約数和(自身を除く): 578833812772

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 159546253, 319092506, 638185012, 797731265, 1595462530, 3190925060, 26006039239, 52012078478, 104024156956, 130030196195, 260060392390, 520120784780]

約数ペア:

[(1, 520120784780), (2, 260060392390), (4, 130030196195), (5, 104024156956), (10, 52012078478), (20, 26006039239), (163, 3190925060), (326, 1595462530), (652, 797731265), (815, 638185012), (1630, 319092506), (3260, 159546253)]