417380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 899640

約数和(自身を除く): 482260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 509, 820, 1018, 2036, 2545, 5090, 10180, 20869, 41738, 83476, 104345, 208690, 417380]

約数ペア:

[(1, 417380), (2, 208690), (4, 104345), (5, 83476), (10, 41738), (20, 20869), (41, 10180), (82, 5090), (164, 2545), (205, 2036), (410, 1018), (509, 820)]