40854500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 90221040

約数和(自身を除く): 49366540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 809, 1010, 1618, 2020, 2525, 3236, 4045, 5050, 8090, 10100, 12625, 16180, 20225, 25250, 40450, 50500, 80900, 81709, 101125, 163418, 202250, 326836, 404500, 408545, 817090, 1634180, 2042725, 4085450, 8170900, 10213625, 20427250, 40854500]

約数ペア:

[(1, 40854500), (2, 20427250), (4, 10213625), (5, 8170900), (10, 4085450), (20, 2042725), (25, 1634180), (50, 817090), (100, 408545), (101, 404500), (125, 326836), (202, 202250), (250, 163418), (404, 101125), (500, 81709), (505, 80900), (809, 50500), (1010, 40450), (1618, 25250), (2020, 20225), (2525, 16180), (3236, 12625), (4045, 10100), (5050, 8090)]