80339360

素因数分解:

$2^5\times 5^1\times {\mathrm{502121}}^1$

素因数の和:502136

約数の個数: 24

約数和(自身を含む): 189802116

約数和(自身を除く): 109462756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 502121, 1004242, 2008484, 2510605, 4016968, 5021210, 8033936, 10042420, 16067872, 20084840, 40169680, 80339360]

約数ペア:

[(1, 80339360), (2, 40169680), (4, 20084840), (5, 16067872), (8, 10042420), (10, 8033936), (16, 5021210), (20, 4016968), (32, 2510605), (40, 2008484), (80, 1004242), (160, 502121)]