4989220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 10524024

約数和(自身を除く): 5534804

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 797, 1252, 1565, 1594, 3130, 3188, 3985, 6260, 7970, 15940, 249461, 498922, 997844, 1247305, 2494610, 4989220]

約数ペア:

[(1, 4989220), (2, 2494610), (4, 1247305), (5, 997844), (10, 498922), (20, 249461), (313, 15940), (626, 7970), (797, 6260), (1252, 3985), (1565, 3188), (1594, 3130)]