68891630

素因数分解:

$2^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{4003}}^1$

素因数の和:5731

約数の個数: 16

約数和(自身を含む): 124107984

約数和(自身を除く): 55216354

約数列:

[1, 2, 5, 10, 1721, 3442, 4003, 8006, 8605, 17210, 20015, 40030, 6889163, 13778326, 34445815, 68891630]

約数ペア:

[(1, 68891630), (2, 34445815), (5, 13778326), (10, 6889163), (1721, 40030), (3442, 20015), (4003, 17210), (8006, 8605)]