80408050

素因数分解:

$2^1\times 5^2\times {\mathrm{997}}^1\times {\mathrm{1613}}^1$

素因数の和:2622

約数の個数: 24

約数和(自身を含む): 149801796

約数和(自身を除く): 69393746

約数列:

[1, 2, 5, 10, 25, 50, 997, 1613, 1994, 3226, 4985, 8065, 9970, 16130, 24925, 40325, 49850, 80650, 1608161, 3216322, 8040805, 16081610, 40204025, 80408050]

約数ペア:

[(1, 80408050), (2, 40204025), (5, 16081610), (10, 8040805), (25, 3216322), (50, 1608161), (997, 80650), (1613, 49850), (1994, 40325), (3226, 24925), (4985, 16130), (8065, 9970)]