129632750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{39887}}^1$

素因数の和:39917

約数の個数: 32

約数和(自身を含む): 261346176

約数和(自身を除く): 131713426

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 39887, 79774, 199435, 398870, 518531, 997175, 1037062, 1994350, 2592655, 4985875, 5185310, 9971750, 12963275, 25926550, 64816375, 129632750]

約数ペア:

[(1, 129632750), (2, 64816375), (5, 25926550), (10, 12963275), (13, 9971750), (25, 5185310), (26, 4985875), (50, 2592655), (65, 1994350), (125, 1037062), (130, 997175), (250, 518531), (325, 398870), (650, 199435), (1625, 79774), (3250, 39887)]