67809820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260807}}^1$

素因数の和:260829

約数の個数: 24

約数和(自身を含む): 153355104

約数和(自身を除く): 85545284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260807, 521614, 1043228, 1304035, 2608070, 3390491, 5216140, 6780982, 13561964, 16952455, 33904910, 67809820]

約数ペア:

[(1, 67809820), (2, 33904910), (4, 16952455), (5, 13561964), (10, 6780982), (13, 5216140), (20, 3390491), (26, 2608070), (52, 1304035), (65, 1043228), (130, 521614), (260, 260807)]