7922840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4831}}^1$

素因数の和:4883

約数の個数: 32

約数和(自身を含む): 18264960

約数和(自身を除く): 10342120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4831, 9662, 19324, 24155, 38648, 48310, 96620, 193240, 198071, 396142, 792284, 990355, 1584568, 1980710, 3961420, 7922840]

約数ペア:

[(1, 7922840), (2, 3961420), (4, 1980710), (5, 1584568), (8, 990355), (10, 792284), (20, 396142), (40, 198071), (41, 193240), (82, 96620), (164, 48310), (205, 38648), (328, 24155), (410, 19324), (820, 9662), (1640, 4831)]