3961420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4831}}^1$

素因数の和:4881

約数の個数: 24

約数和(自身を含む): 8523648

約数和(自身を除く): 4562228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4831, 9662, 19324, 24155, 48310, 96620, 198071, 396142, 792284, 990355, 1980710, 3961420]

約数ペア:

[(1, 3961420), (2, 1980710), (4, 990355), (5, 792284), (10, 396142), (20, 198071), (41, 96620), (82, 48310), (164, 24155), (205, 19324), (410, 9662), (820, 4831)]