8530420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5399}}^1$

素因数の和:5487

約数の個数: 24

約数和(自身を含む): 18144000

約数和(自身を除く): 9613580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5399, 10798, 21596, 26995, 53990, 107980, 426521, 853042, 1706084, 2132605, 4265210, 8530420]

約数ペア:

[(1, 8530420), (2, 4265210), (4, 2132605), (5, 1706084), (10, 853042), (20, 426521), (79, 107980), (158, 53990), (316, 26995), (395, 21596), (790, 10798), (1580, 5399)]