1920400

素因数分解:

$2^4\times 5^2\times {\mathrm{4801}}^1$

素因数の和:4819

約数の個数: 30

約数和(自身を含む): 4614722

約数和(自身を除く): 2694322

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4801, 9602, 19204, 24005, 38408, 48010, 76816, 96020, 120025, 192040, 240050, 384080, 480100, 960200, 1920400]

約数ペア:

[(1, 1920400), (2, 960200), (4, 480100), (5, 384080), (8, 240050), (10, 192040), (16, 120025), (20, 96020), (25, 76816), (40, 48010), (50, 38408), (80, 24005), (100, 19204), (200, 9602), (400, 4801)]