57799880

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3533}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 130404600

約数和(自身を除く): 72604720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3533, 4090, 7066, 8180, 14132, 16360, 17665, 28264, 35330, 70660, 141320, 1444997, 2889994, 5779988, 7224985, 11559976, 14449970, 28899940, 57799880]

約数ペア:

[(1, 57799880), (2, 28899940), (4, 14449970), (5, 11559976), (8, 7224985), (10, 5779988), (20, 2889994), (40, 1444997), (409, 141320), (818, 70660), (1636, 35330), (2045, 28264), (3272, 17665), (3533, 16360), (4090, 14132), (7066, 8180)]