12355880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2999}}^1$

素因数の和:3113

約数の個数: 32

約数和(自身を含む): 28080000

約数和(自身を除く): 15724120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2999, 4120, 5998, 11996, 14995, 23992, 29990, 59980, 119960, 308897, 617794, 1235588, 1544485, 2471176, 3088970, 6177940, 12355880]

約数ペア:

[(1, 12355880), (2, 6177940), (4, 3088970), (5, 2471176), (8, 1544485), (10, 1235588), (20, 617794), (40, 308897), (103, 119960), (206, 59980), (412, 29990), (515, 23992), (824, 14995), (1030, 11996), (2060, 5998), (2999, 4120)]