12998050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20022

約数の個数: 24

約数和(自身を含む): 26037396

約数和(自身を除く): 13039346

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19997, 39994, 99985, 199970, 259961, 499925, 519922, 999850, 1299805, 2599610, 6499025, 12998050]

約数ペア:

[(1, 12998050), (2, 6499025), (5, 2599610), (10, 1299805), (13, 999850), (25, 519922), (26, 499925), (50, 259961), (65, 199970), (130, 99985), (325, 39994), (650, 19997)]