1307080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 3016440

約数和(自身を除く): 1709360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 797, 820, 1594, 1640, 3188, 3985, 6376, 7970, 15940, 31880, 32677, 65354, 130708, 163385, 261416, 326770, 653540, 1307080]

約数ペア:

[(1, 1307080), (2, 653540), (4, 326770), (5, 261416), (8, 163385), (10, 130708), (20, 65354), (40, 32677), (41, 31880), (82, 15940), (164, 7970), (205, 6376), (328, 3985), (410, 3188), (797, 1640), (820, 1594)]