107959640

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6599}}^1$

素因数の和:7019

約数の個数: 32

約数和(自身を含む): 243540000

約数和(自身を除く): 135580360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 6599, 8180, 13198, 16360, 26396, 32995, 52792, 65990, 131980, 263960, 2698991, 5397982, 10795964, 13494955, 21591928, 26989910, 53979820, 107959640]

約数ペア:

[(1, 107959640), (2, 53979820), (4, 26989910), (5, 21591928), (8, 13494955), (10, 10795964), (20, 5397982), (40, 2698991), (409, 263960), (818, 131980), (1636, 65990), (2045, 52792), (3272, 32995), (4090, 26396), (6599, 16360), (8180, 13198)]