28772750

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 54654912

約数和(自身を除く): 25882162

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1621, 1775, 3242, 3550, 8105, 8875, 16210, 17750, 40525, 81050, 115091, 202625, 230182, 405250, 575455, 1150910, 2877275, 5754550, 14386375, 28772750]

約数ペア:

[(1, 28772750), (2, 14386375), (5, 5754550), (10, 2877275), (25, 1150910), (50, 575455), (71, 405250), (125, 230182), (142, 202625), (250, 115091), (355, 81050), (710, 40525), (1621, 17750), (1775, 16210), (3242, 8875), (3550, 8105)]