4020340

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1123}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 8497440

約数和(自身を除く): 4477100

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1123, 1790, 2246, 3580, 4492, 5615, 11230, 22460, 201017, 402034, 804068, 1005085, 2010170, 4020340]

約数ペア:

[(1, 4020340), (2, 2010170), (4, 1005085), (5, 804068), (10, 402034), (20, 201017), (179, 22460), (358, 11230), (716, 5615), (895, 4492), (1123, 3580), (1790, 2246)]