54128750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{3331}}^1$

素因数の和:3366

約数の個数: 40

約数和(自身を含む): 109296264

約数和(自身を除く): 55167514

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 3331, 6662, 8125, 16250, 16655, 33310, 43303, 83275, 86606, 166550, 216515, 416375, 433030, 832750, 1082575, 2081875, 2165150, 4163750, 5412875, 10825750, 27064375, 54128750]

約数ペア:

[(1, 54128750), (2, 27064375), (5, 10825750), (10, 5412875), (13, 4163750), (25, 2165150), (26, 2081875), (50, 1082575), (65, 832750), (125, 433030), (130, 416375), (250, 216515), (325, 166550), (625, 86606), (650, 83275), (1250, 43303), (1625, 33310), (3250, 16655), (3331, 16250), (6662, 8125)]