9689980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15629}}^1$

素因数の和:15669

約数の個数: 24

約数和(自身を含む): 21006720

約数和(自身を除く): 11316740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 15629, 31258, 62516, 78145, 156290, 312580, 484499, 968998, 1937996, 2422495, 4844990, 9689980]

約数ペア:

[(1, 9689980), (2, 4844990), (4, 2422495), (5, 1937996), (10, 968998), (20, 484499), (31, 312580), (62, 156290), (124, 78145), (155, 62516), (310, 31258), (620, 15629)]