80575790

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49433}}^1$

素因数の和:49603

約数の個数: 16

約数和(自身を含む): 145929168

約数和(自身を除く): 65353378

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49433, 98866, 247165, 494330, 8057579, 16115158, 40287895, 80575790]

約数ペア:

[(1, 80575790), (2, 40287895), (5, 16115158), (10, 8057579), (163, 494330), (326, 247165), (815, 98866), (1630, 49433)]