627702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1207121}}^1$

素因数の和:1207145

約数の個数: 32

約数和(自身を含む): 1520973720

約数和(自身を除く): 893270800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1207121, 2414242, 4828484, 6035605, 9656968, 12071210, 15692573, 24142420, 31385146, 48284840, 62770292, 78462865, 125540584, 156925730, 313851460, 627702920]

約数ペア:

[(1, 627702920), (2, 313851460), (4, 156925730), (5, 125540584), (8, 78462865), (10, 62770292), (13, 48284840), (20, 31385146), (26, 24142420), (40, 15692573), (52, 12071210), (65, 9656968), (104, 6035605), (130, 4828484), (260, 2414242), (520, 1207121)]