204804940

素因数分解:

$2^2\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{3907}}^1$

素因数の和:6537

約数の個数: 24

約数和(自身を含む): 430364592

約数和(自身を除く): 225559652

約数列:

[1, 2, 4, 5, 10, 20, 2621, 3907, 5242, 7814, 10484, 13105, 15628, 19535, 26210, 39070, 52420, 78140, 10240247, 20480494, 40960988, 51201235, 102402470, 204804940]

約数ペア:

[(1, 204804940), (2, 102402470), (4, 51201235), (5, 40960988), (10, 20480494), (20, 10240247), (2621, 78140), (3907, 52420), (5242, 39070), (7814, 26210), (10484, 19535), (13105, 15628)]