1625642500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{12269}}^1$

素因数の和:12346

約数の個数: 60

約数和(自身を含む): 3622324860

約数和(自身を除く): 1996682360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 625, 1060, 1250, 1325, 2500, 2650, 5300, 6625, 12269, 13250, 24538, 26500, 33125, 49076, 61345, 66250, 122690, 132500, 245380, 306725, 613450, 650257, 1226900, 1300514, 1533625, 2601028, 3067250, 3251285, 6134500, 6502570, 7668125, 13005140, 15336250, 16256425, 30672500, 32512850, 65025700, 81282125, 162564250, 325128500, 406410625, 812821250, 1625642500]

約数ペア:

[(1, 1625642500), (2, 812821250), (4, 406410625), (5, 325128500), (10, 162564250), (20, 81282125), (25, 65025700), (50, 32512850), (53, 30672500), (100, 16256425), (106, 15336250), (125, 13005140), (212, 7668125), (250, 6502570), (265, 6134500), (500, 3251285), (530, 3067250), (625, 2601028), (1060, 1533625), (1250, 1300514), (1325, 1226900), (2500, 650257), (2650, 613450), (5300, 306725), (6625, 245380), (12269, 132500), (13250, 122690), (24538, 66250), (26500, 61345), (33125, 49076)]