1635080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 3772440

約数和(自身を除く): 2137360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 997, 1640, 1994, 3988, 4985, 7976, 9970, 19940, 39880, 40877, 81754, 163508, 204385, 327016, 408770, 817540, 1635080]

約数ペア:

[(1, 1635080), (2, 817540), (4, 408770), (5, 327016), (8, 204385), (10, 163508), (20, 81754), (40, 40877), (41, 39880), (82, 19940), (164, 9970), (205, 7976), (328, 4985), (410, 3988), (820, 1994), (997, 1640)]