87309820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{335807}}^1$

素因数の和:335829

約数の個数: 24

約数和(自身を含む): 197455104

約数和(自身を除く): 110145284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 335807, 671614, 1343228, 1679035, 3358070, 4365491, 6716140, 8730982, 17461964, 21827455, 43654910, 87309820]

約数ペア:

[(1, 87309820), (2, 43654910), (4, 21827455), (5, 17461964), (10, 8730982), (13, 6716140), (20, 4365491), (26, 3358070), (52, 1679035), (65, 1343228), (130, 671614), (260, 335807)]