28882750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8887}}^1$

素因数の和:8917

約数の個数: 32

約数和(自身を含む): 58234176

約数和(自身を除く): 29351426

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8887, 17774, 44435, 88870, 115531, 222175, 231062, 444350, 577655, 1110875, 1155310, 2221750, 2888275, 5776550, 14441375, 28882750]

約数ペア:

[(1, 28882750), (2, 14441375), (5, 5776550), (10, 2888275), (13, 2221750), (25, 1155310), (26, 1110875), (50, 577655), (65, 444350), (125, 231062), (130, 222175), (250, 115531), (325, 88870), (650, 44435), (1625, 17774), (3250, 8887)]