57303740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220399}}^1$

素因数の和:220421

約数の個数: 24

約数和(自身を含む): 129595200

約数和(自身を除く): 72291460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220399, 440798, 881596, 1101995, 2203990, 2865187, 4407980, 5730374, 11460748, 14325935, 28651870, 57303740]

約数ペア:

[(1, 57303740), (2, 28651870), (4, 14325935), (5, 11460748), (10, 5730374), (13, 4407980), (20, 2865187), (26, 2203990), (52, 1101995), (65, 881596), (130, 440798), (260, 220399)]