8040500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1269

約数の個数: 48

約数和(自身を含む): 18926544

約数和(自身を除く): 10886044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1237, 1300, 1625, 2474, 3250, 4948, 6185, 6500, 12370, 16081, 24740, 30925, 32162, 61850, 64324, 80405, 123700, 154625, 160810, 309250, 321620, 402025, 618500, 804050, 1608100, 2010125, 4020250, 8040500]

約数ペア:

[(1, 8040500), (2, 4020250), (4, 2010125), (5, 1608100), (10, 804050), (13, 618500), (20, 402025), (25, 321620), (26, 309250), (50, 160810), (52, 154625), (65, 123700), (100, 80405), (125, 64324), (130, 61850), (250, 32162), (260, 30925), (325, 24740), (500, 16081), (650, 12370), (1237, 6500), (1300, 6185), (1625, 4948), (2474, 3250)]