42005080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80779}}^1$

素因数の和:80803

約数の個数: 32

約数和(自身を含む): 101782800

約数和(自身を除く): 59777720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 80779, 161558, 323116, 403895, 646232, 807790, 1050127, 1615580, 2100254, 3231160, 4200508, 5250635, 8401016, 10501270, 21002540, 42005080]

約数ペア:

[(1, 42005080), (2, 21002540), (4, 10501270), (5, 8401016), (8, 5250635), (10, 4200508), (13, 3231160), (20, 2100254), (26, 1615580), (40, 1050127), (52, 807790), (65, 646232), (104, 403895), (130, 323116), (260, 161558), (520, 80779)]