804921560

素因数分解:

$2^3\times 5^1\times {\mathrm{20123039}}^1$

素因数の和:20123050

約数の個数: 16

約数和(自身を含む): 1811073600

約数和(自身を除く): 1006152040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20123039, 40246078, 80492156, 100615195, 160984312, 201230390, 402460780, 804921560]

約数ペア:

[(1, 804921560), (2, 402460780), (4, 201230390), (5, 160984312), (8, 100615195), (10, 80492156), (20, 40246078), (40, 20123039)]