8123980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6659}}^1$

素因数の和:6729

約数の個数: 24

約数和(自身を含む): 17342640

約数和(自身を除く): 9218660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6659, 13318, 26636, 33295, 66590, 133180, 406199, 812398, 1624796, 2030995, 4061990, 8123980]

約数ペア:

[(1, 8123980), (2, 4061990), (4, 2030995), (5, 1624796), (10, 812398), (20, 406199), (61, 133180), (122, 66590), (244, 33295), (305, 26636), (610, 13318), (1220, 6659)]