5209940

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 10987872

約数和(自身を除く): 5777932

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 787, 1324, 1574, 1655, 3148, 3310, 3935, 6620, 7870, 15740, 260497, 520994, 1041988, 1302485, 2604970, 5209940]

約数ペア:

[(1, 5209940), (2, 2604970), (4, 1302485), (5, 1041988), (10, 520994), (20, 260497), (331, 15740), (662, 7870), (787, 6620), (1324, 3935), (1574, 3310), (1655, 3148)]