42020680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80809}}^1$

素因数の和:80833

約数の個数: 32

約数和(自身を含む): 101820600

約数和(自身を除く): 59799920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 80809, 161618, 323236, 404045, 646472, 808090, 1050517, 1616180, 2101034, 3232360, 4202068, 5252585, 8404136, 10505170, 21010340, 42020680]

約数ペア:

[(1, 42020680), (2, 21010340), (4, 10505170), (5, 8404136), (8, 5252585), (10, 4202068), (13, 3232360), (20, 2101034), (26, 1616180), (40, 1050517), (52, 808090), (65, 646472), (104, 404045), (130, 323236), (260, 161618), (520, 80809)]