28687760

素因数分解:

$2^4\times 5^1\times {\mathrm{358597}}^1$

素因数の和:358610

約数の個数: 20

約数和(自身を含む): 66699228

約数和(自身を除く): 38011468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358597, 717194, 1434388, 1792985, 2868776, 3585970, 5737552, 7171940, 14343880, 28687760]

約数ペア:

[(1, 28687760), (2, 14343880), (4, 7171940), (5, 5737552), (8, 3585970), (10, 2868776), (16, 1792985), (20, 1434388), (40, 717194), (80, 358597)]