72155080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43997}}^1$

素因数の和:44049

約数の個数: 32

約数和(自身を含む): 166312440

約数和(自身を除く): 94157360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43997, 87994, 175988, 219985, 351976, 439970, 879940, 1759880, 1803877, 3607754, 7215508, 9019385, 14431016, 18038770, 36077540, 72155080]

約数ペア:

[(1, 72155080), (2, 36077540), (4, 18038770), (5, 14431016), (8, 9019385), (10, 7215508), (20, 3607754), (40, 1803877), (41, 1759880), (82, 879940), (164, 439970), (205, 351976), (328, 219985), (410, 175988), (820, 87994), (1640, 43997)]