68163280

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7963}}^1$

素因数の和:8083

約数の個数: 40

約数和(自身を含む): 159980832

約数和(自身を除く): 91817552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7963, 8560, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 318520, 637040, 852041, 1704082, 3408164, 4260205, 6816328, 8520410, 13632656, 17040820, 34081640, 68163280]

約数ペア:

[(1, 68163280), (2, 34081640), (4, 17040820), (5, 13632656), (8, 8520410), (10, 6816328), (16, 4260205), (20, 3408164), (40, 1704082), (80, 852041), (107, 637040), (214, 318520), (428, 159260), (535, 127408), (856, 79630), (1070, 63704), (1712, 39815), (2140, 31852), (4280, 15926), (7963, 8560)]