74159980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{90439}}^1$

素因数の和:90489

約数の個数: 24

約数和(自身を含む): 159536160

約数和(自身を除く): 85376180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 90439, 180878, 361756, 452195, 904390, 1808780, 3707999, 7415998, 14831996, 18539995, 37079990, 74159980]

約数ペア:

[(1, 74159980), (2, 37079990), (4, 18539995), (5, 14831996), (10, 7415998), (20, 3707999), (41, 1808780), (82, 904390), (164, 452195), (205, 361756), (410, 180878), (820, 90439)]