8663420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6101}}^1$

素因数の和:6181

約数の個数: 24

約数和(自身を含む): 18452448

約数和(自身を除く): 9789028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6101, 12202, 24404, 30505, 61010, 122020, 433171, 866342, 1732684, 2165855, 4331710, 8663420]

約数ペア:

[(1, 8663420), (2, 4331710), (4, 2165855), (5, 1732684), (10, 866342), (20, 433171), (71, 122020), (142, 61010), (284, 30505), (355, 24404), (710, 12202), (1420, 6101)]