78030320

素因数分解:

$2^4\times 5^1\times {\mathrm{975379}}^1$

素因数の和:975392

約数の個数: 20

約数和(自身を含む): 181420680

約数和(自身を除く): 103390360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 975379, 1950758, 3901516, 4876895, 7803032, 9753790, 15606064, 19507580, 39015160, 78030320]

約数ペア:

[(1, 78030320), (2, 39015160), (4, 19507580), (5, 15606064), (8, 9753790), (10, 7803032), (16, 4876895), (20, 3901516), (40, 1950758), (80, 975379)]