81040790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{279451}}^1$

素因数の和:279487

約数の個数: 16

約数和(自身を含む): 150904080

約数和(自身を除く): 69863290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 279451, 558902, 1397255, 2794510, 8104079, 16208158, 40520395, 81040790]

約数ペア:

[(1, 81040790), (2, 40520395), (5, 16208158), (10, 8104079), (29, 2794510), (58, 1397255), (145, 558902), (290, 279451)]