204830320

素因数分解:

$2^4\times 5^1\times {\mathrm{2560379}}^1$

素因数の和:2560392

約数の個数: 20

約数和(自身を含む): 476230680

約数和(自身を除く): 271400360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2560379, 5120758, 10241516, 12801895, 20483032, 25603790, 40966064, 51207580, 102415160, 204830320]

約数ペア:

[(1, 204830320), (2, 102415160), (4, 51207580), (5, 40966064), (8, 25603790), (10, 20483032), (16, 12801895), (20, 10241516), (40, 5120758), (80, 2560379)]