205336060

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{25603}}^1$

素因数の和:26013

約数の個数: 24

約数和(自身を含む): 432297936

約数和(自身を除く): 226961876

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 25603, 51206, 102412, 128015, 256030, 512060, 10266803, 20533606, 41067212, 51334015, 102668030, 205336060]

約数ペア:

[(1, 205336060), (2, 102668030), (4, 51334015), (5, 41067212), (10, 20533606), (20, 10266803), (401, 512060), (802, 256030), (1604, 128015), (2005, 102412), (4010, 51206), (8020, 25603)]