1680620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4969

約数の個数: 24

約数和(自身を含む): 3737664

約数和(自身を除く): 2057044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4943, 9886, 19772, 24715, 49430, 84031, 98860, 168062, 336124, 420155, 840310, 1680620]

約数ペア:

[(1, 1680620), (2, 840310), (4, 420155), (5, 336124), (10, 168062), (17, 98860), (20, 84031), (34, 49430), (68, 24715), (85, 19772), (170, 9886), (340, 4943)]