23539640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5399}}^1$

素因数の和:5519

約数の個数: 32

約数和(自身を含む): 53460000

約数和(自身を除く): 29920360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5399, 10798, 21596, 26995, 43192, 53990, 107980, 215960, 588491, 1176982, 2353964, 2942455, 4707928, 5884910, 11769820, 23539640]

約数ペア:

[(1, 23539640), (2, 11769820), (4, 5884910), (5, 4707928), (8, 2942455), (10, 2353964), (20, 1176982), (40, 588491), (109, 215960), (218, 107980), (436, 53990), (545, 43192), (872, 26995), (1090, 21596), (2180, 10798), (4360, 5399)]