4044400

素因数分解:

$2^4\times 5^2\times {\mathrm{10111}}^1$

素因数の和:10129

約数の個数: 30

約数和(自身を含む): 9717632

約数和(自身を除く): 5673232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10111, 20222, 40444, 50555, 80888, 101110, 161776, 202220, 252775, 404440, 505550, 808880, 1011100, 2022200, 4044400]

約数ペア:

[(1, 4044400), (2, 2022200), (4, 1011100), (5, 808880), (8, 505550), (10, 404440), (16, 252775), (20, 202220), (25, 161776), (40, 101110), (50, 80888), (80, 50555), (100, 40444), (200, 20222), (400, 10111)]