31052720

素因数分解:

$2^4\times 5^1\times {\mathrm{388159}}^1$

素因数の和:388172

約数の個数: 20

約数和(自身を含む): 72197760

約数和(自身を除く): 41145040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388159, 776318, 1552636, 1940795, 3105272, 3881590, 6210544, 7763180, 15526360, 31052720]

約数ペア:

[(1, 31052720), (2, 15526360), (4, 7763180), (5, 6210544), (8, 3881590), (10, 3105272), (16, 1940795), (20, 1552636), (40, 776318), (80, 388159)]