1298050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2022

約数の個数: 24

約数和(自身を含む): 2601396

約数和(自身を除く): 1303346

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1997, 3994, 9985, 19970, 25961, 49925, 51922, 99850, 129805, 259610, 649025, 1298050]

約数ペア:

[(1, 1298050), (2, 649025), (5, 259610), (10, 129805), (13, 99850), (25, 51922), (26, 49925), (50, 25961), (65, 19970), (130, 9985), (325, 3994), (650, 1997)]