517420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 1114848

約数和(自身を除く): 597428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 631, 820, 1262, 2524, 3155, 6310, 12620, 25871, 51742, 103484, 129355, 258710, 517420]

約数ペア:

[(1, 517420), (2, 258710), (4, 129355), (5, 103484), (10, 51742), (20, 25871), (41, 12620), (82, 6310), (164, 3155), (205, 2524), (410, 1262), (631, 820)]