1120400

素因数分解:

$2^4\times 5^2\times {\mathrm{2801}}^1$

素因数の和:2819

約数の個数: 30

約数和(自身を含む): 2692722

約数和(自身を除く): 1572322

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2801, 5602, 11204, 14005, 22408, 28010, 44816, 56020, 70025, 112040, 140050, 224080, 280100, 560200, 1120400]

約数ペア:

[(1, 1120400), (2, 560200), (4, 280100), (5, 224080), (8, 140050), (10, 112040), (16, 70025), (20, 56020), (25, 44816), (40, 28010), (50, 22408), (80, 14005), (100, 11204), (200, 5602), (400, 2801)]