28671640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{12149}}^1$

素因数の和:12219

約数の個数: 32

約数和(自身を含む): 65610000

約数和(自身を除く): 36938360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 12149, 24298, 48596, 60745, 97192, 121490, 242980, 485960, 716791, 1433582, 2867164, 3583955, 5734328, 7167910, 14335820, 28671640]

約数ペア:

[(1, 28671640), (2, 14335820), (4, 7167910), (5, 5734328), (8, 3583955), (10, 2867164), (20, 1433582), (40, 716791), (59, 485960), (118, 242980), (236, 121490), (295, 97192), (472, 60745), (590, 48596), (1180, 24298), (2360, 12149)]