100217680

素因数分解:

$2^4\times 5^1\times {\mathrm{1252721}}^1$

素因数の和:1252734

約数の個数: 20

約数和(自身を含む): 233006292

約数和(自身を除く): 132788612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1252721, 2505442, 5010884, 6263605, 10021768, 12527210, 20043536, 25054420, 50108840, 100217680]

約数ペア:

[(1, 100217680), (2, 50108840), (4, 25054420), (5, 20043536), (8, 12527210), (10, 10021768), (16, 6263605), (20, 5010884), (40, 2505442), (80, 1252721)]