7826540

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 16489872

約数和(自身を除く): 8663332

約数列:

[1, 2, 4, 5, 10, 20, 491, 797, 982, 1594, 1964, 2455, 3188, 3985, 4910, 7970, 9820, 15940, 391327, 782654, 1565308, 1956635, 3913270, 7826540]

約数ペア:

[(1, 7826540), (2, 3913270), (4, 1956635), (5, 1565308), (10, 782654), (20, 391327), (491, 15940), (797, 9820), (982, 7970), (1594, 4910), (1964, 3985), (2455, 3188)]