22045000

素因数分解:

$2^3\times 5^4\times {\mathrm{4409}}^1$

素因数の和:4435

約数の個数: 40

約数和(自身を含む): 51663150

約数和(自身を除く): 29618150

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4409, 5000, 8818, 17636, 22045, 35272, 44090, 88180, 110225, 176360, 220450, 440900, 551125, 881800, 1102250, 2204500, 2755625, 4409000, 5511250, 11022500, 22045000]

約数ペア:

[(1, 22045000), (2, 11022500), (4, 5511250), (5, 4409000), (8, 2755625), (10, 2204500), (20, 1102250), (25, 881800), (40, 551125), (50, 440900), (100, 220450), (125, 176360), (200, 110225), (250, 88180), (500, 44090), (625, 35272), (1000, 22045), (1250, 17636), (2500, 8818), (4409, 5000)]