86640710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666467}}^1$

素因数の和:666487

約数の個数: 16

約数和(自身を含む): 167949936

約数和(自身を除く): 81309226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 666467, 1332934, 3332335, 6664670, 8664071, 17328142, 43320355, 86640710]

約数ペア:

[(1, 86640710), (2, 43320355), (5, 17328142), (10, 8664071), (13, 6664670), (26, 3332335), (65, 1332934), (130, 666467)]