68756840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101113}}^1$

素因数の和:101141

約数の個数: 32

約数和(自身を含む): 163804680

約数和(自身を除く): 95047840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 101113, 202226, 404452, 505565, 808904, 1011130, 1718921, 2022260, 3437842, 4044520, 6875684, 8594605, 13751368, 17189210, 34378420, 68756840]

約数ペア:

[(1, 68756840), (2, 34378420), (4, 17189210), (5, 13751368), (8, 8594605), (10, 6875684), (17, 4044520), (20, 3437842), (34, 2022260), (40, 1718921), (68, 1011130), (85, 808904), (136, 505565), (170, 404452), (340, 202226), (680, 101113)]