199071760

素因数分解:

$2^4\times 5^1\times {\mathrm{2488397}}^1$

素因数の和:2488410

約数の個数: 20

約数和(自身を含む): 462842028

約数和(自身を除く): 263770268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2488397, 4976794, 9953588, 12441985, 19907176, 24883970, 39814352, 49767940, 99535880, 199071760]

約数ペア:

[(1, 199071760), (2, 99535880), (4, 49767940), (5, 39814352), (8, 24883970), (10, 19907176), (16, 12441985), (20, 9953588), (40, 4976794), (80, 2488397)]