12501640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5897}}^1$

素因数の和:5961

約数の個数: 32

約数和(自身を含む): 28664280

約数和(自身を除く): 16162640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5897, 11794, 23588, 29485, 47176, 58970, 117940, 235880, 312541, 625082, 1250164, 1562705, 2500328, 3125410, 6250820, 12501640]

約数ペア:

[(1, 12501640), (2, 6250820), (4, 3125410), (5, 2500328), (8, 1562705), (10, 1250164), (20, 625082), (40, 312541), (53, 235880), (106, 117940), (212, 58970), (265, 47176), (424, 29485), (530, 23588), (1060, 11794), (2120, 5897)]