19872800

素因数分解:

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

素因数の和:24861

約数の個数: 36

約数和(自身を含む): 48516426

約数和(自身を除く): 28643626

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 24841, 49682, 99364, 124205, 198728, 248410, 397456, 496820, 621025, 794912, 993640, 1242050, 1987280, 2484100, 3974560, 4968200, 9936400, 19872800]

約数ペア:

[(1, 19872800), (2, 9936400), (4, 4968200), (5, 3974560), (8, 2484100), (10, 1987280), (16, 1242050), (20, 993640), (25, 794912), (32, 621025), (40, 496820), (50, 397456), (80, 248410), (100, 198728), (160, 124205), (200, 99364), (400, 49682), (800, 24841)]