824500720

素因数分解:

$2^4\times 5^1\times {\mathrm{10306259}}^1$

素因数の和:10306272

約数の個数: 20

約数和(自身を含む): 1916964360

約数和(自身を除く): 1092463640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10306259, 20612518, 41225036, 51531295, 82450072, 103062590, 164900144, 206125180, 412250360, 824500720]

約数ペア:

[(1, 824500720), (2, 412250360), (4, 206125180), (5, 164900144), (8, 103062590), (10, 82450072), (16, 51531295), (20, 41225036), (40, 20612518), (80, 10306259)]