9936400

素因数分解:

$2^4\times 5^2\times {\mathrm{24841}}^1$

素因数の和:24859

約数の個数: 30

約数和(自身を含む): 23873162

約数和(自身を除く): 13936762

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 24841, 49682, 99364, 124205, 198728, 248410, 397456, 496820, 621025, 993640, 1242050, 1987280, 2484100, 4968200, 9936400]

約数ペア:

[(1, 9936400), (2, 4968200), (4, 2484100), (5, 1987280), (8, 1242050), (10, 993640), (16, 621025), (20, 496820), (25, 397456), (40, 248410), (50, 198728), (80, 124205), (100, 99364), (200, 49682), (400, 24841)]