30928880

素因数分解:

$2^4\times 5^1\times {\mathrm{386611}}^1$

素因数の和:386624

約数の個数: 20

約数和(自身を含む): 71909832

約数和(自身を除く): 40980952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386611, 773222, 1546444, 1933055, 3092888, 3866110, 6185776, 7732220, 15464440, 30928880]

約数ペア:

[(1, 30928880), (2, 15464440), (4, 7732220), (5, 6185776), (8, 3866110), (10, 3092888), (16, 1933055), (20, 1546444), (40, 773222), (80, 386611)]