8893240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 20119680

約数和(自身を除く): 11226440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 997, 1115, 1784, 1994, 2230, 3988, 4460, 4985, 7976, 8920, 9970, 19940, 39880, 222331, 444662, 889324, 1111655, 1778648, 2223310, 4446620, 8893240]

約数ペア:

[(1, 8893240), (2, 4446620), (4, 2223310), (5, 1778648), (8, 1111655), (10, 889324), (20, 444662), (40, 222331), (223, 39880), (446, 19940), (892, 9970), (997, 8920), (1115, 7976), (1784, 4985), (1994, 4460), (2230, 3988)]