7241420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8831}}^1$

素因数の和:8881

約数の個数: 24

約数和(自身を含む): 15579648

約数和(自身を除く): 8338228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 8831, 17662, 35324, 44155, 88310, 176620, 362071, 724142, 1448284, 1810355, 3620710, 7241420]

約数ペア:

[(1, 7241420), (2, 3620710), (4, 1810355), (5, 1448284), (10, 724142), (20, 362071), (41, 176620), (82, 88310), (164, 44155), (205, 35324), (410, 17662), (820, 8831)]