56387500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 133210224

約数和(自身を除く): 76822724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 347, 500, 625, 650, 694, 1250, 1300, 1388, 1625, 1735, 2500, 3125, 3250, 3470, 4511, 6250, 6500, 6940, 8125, 8675, 9022, 12500, 16250, 17350, 18044, 22555, 32500, 34700, 40625, 43375, 45110, 81250, 86750, 90220, 112775, 162500, 173500, 216875, 225550, 433750, 451100, 563875, 867500, 1084375, 1127750, 2168750, 2255500, 2819375, 4337500, 5638750, 11277500, 14096875, 28193750, 56387500]

約数ペア:

[(1, 56387500), (2, 28193750), (4, 14096875), (5, 11277500), (10, 5638750), (13, 4337500), (20, 2819375), (25, 2255500), (26, 2168750), (50, 1127750), (52, 1084375), (65, 867500), (100, 563875), (125, 451100), (130, 433750), (250, 225550), (260, 216875), (325, 173500), (347, 162500), (500, 112775), (625, 90220), (650, 86750), (694, 81250), (1250, 45110), (1300, 43375), (1388, 40625), (1625, 34700), (1735, 32500), (2500, 22555), (3125, 18044), (3250, 17350), (3470, 16250), (4511, 12500), (6250, 9022), (6500, 8675), (6940, 8125)]