84257420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324067}}^1$

素因数の和:324089

約数の個数: 24

約数和(自身を含む): 190551984

約数和(自身を除く): 106294564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 324067, 648134, 1296268, 1620335, 3240670, 4212871, 6481340, 8425742, 16851484, 21064355, 42128710, 84257420]

約数ペア:

[(1, 84257420), (2, 42128710), (4, 21064355), (5, 16851484), (10, 8425742), (13, 6481340), (20, 4212871), (26, 3240670), (52, 1620335), (65, 1296268), (130, 648134), (260, 324067)]