8419450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12953}}^1$

素因数の和:12978

約数の個数: 24

約数和(自身を含む): 16866108

約数和(自身を除く): 8446658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 12953, 25906, 64765, 129530, 168389, 323825, 336778, 647650, 841945, 1683890, 4209725, 8419450]

約数ペア:

[(1, 8419450), (2, 4209725), (5, 1683890), (10, 841945), (13, 647650), (25, 336778), (26, 323825), (50, 168389), (65, 129530), (130, 64765), (325, 25906), (650, 12953)]