2559775472

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{491}}^1\times {\mathrm{1999}}^1$

素因数の和:2661

約数の個数: 40

約数和(自身を含む): 5002656000

約数和(自身を除く): 2442880528

約数列:

[1, 2, 4, 8, 16, 163, 326, 491, 652, 982, 1304, 1964, 1999, 2608, 3928, 3998, 7856, 7996, 15992, 31984, 80033, 160066, 320132, 325837, 640264, 651674, 981509, 1280528, 1303348, 1963018, 2606696, 3926036, 5213392, 7852072, 15704144, 159985967, 319971934, 639943868, 1279887736, 2559775472]

約数ペア:

[(1, 2559775472), (2, 1279887736), (4, 639943868), (8, 319971934), (16, 159985967), (163, 15704144), (326, 7852072), (491, 5213392), (652, 3926036), (982, 2606696), (1304, 1963018), (1964, 1303348), (1999, 1280528), (2608, 981509), (3928, 651674), (3998, 640264), (7856, 325837), (7996, 320132), (15992, 160066), (31984, 80033)]