100885923280

素因数分解:

$2^4\times 5^1\times {\mathrm{1261074041}}^1$

素因数の和:1261074054

約数の個数: 20

約数和(自身を含む): 234559771812

約数和(自身を除く): 133673848532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1261074041, 2522148082, 5044296164, 6305370205, 10088592328, 12610740410, 20177184656, 25221480820, 50442961640, 100885923280]

約数ペア:

[(1, 100885923280), (2, 50442961640), (4, 25221480820), (5, 20177184656), (8, 12610740410), (10, 10088592328), (16, 6305370205), (20, 5044296164), (40, 2522148082), (80, 1261074041)]