28827500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:924

約数の個数: 60

約数和(自身を含む): 67965744

約数和(自身を除く): 39138244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 887, 1250, 1300, 1625, 1774, 2500, 3250, 3548, 4435, 6500, 8125, 8870, 11531, 16250, 17740, 22175, 23062, 32500, 44350, 46124, 57655, 88700, 110875, 115310, 221750, 230620, 288275, 443500, 554375, 576550, 1108750, 1153100, 1441375, 2217500, 2882750, 5765500, 7206875, 14413750, 28827500]

約数ペア:

[(1, 28827500), (2, 14413750), (4, 7206875), (5, 5765500), (10, 2882750), (13, 2217500), (20, 1441375), (25, 1153100), (26, 1108750), (50, 576550), (52, 554375), (65, 443500), (100, 288275), (125, 230620), (130, 221750), (250, 115310), (260, 110875), (325, 88700), (500, 57655), (625, 46124), (650, 44350), (887, 32500), (1250, 23062), (1300, 22175), (1625, 17740), (1774, 16250), (2500, 11531), (3250, 8870), (3548, 8125), (4435, 6500)]