61716920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12149}}^1$

素因数の和:12287

約数の個数: 32

約数和(自身を含む): 139968000

約数和(自身を除く): 78251080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 12149, 24298, 48596, 60745, 97192, 121490, 242980, 485960, 1542923, 3085846, 6171692, 7714615, 12343384, 15429230, 30858460, 61716920]

約数ペア:

[(1, 61716920), (2, 30858460), (4, 15429230), (5, 12343384), (8, 7714615), (10, 6171692), (20, 3085846), (40, 1542923), (127, 485960), (254, 242980), (508, 121490), (635, 97192), (1016, 60745), (1270, 48596), (2540, 24298), (5080, 12149)]