40345565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26987}}^1$

素因数の和:27028

約数の個数: 16

約数和(自身を含む): 54407808

約数和(自身を除く): 14062243

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 26987, 134935, 350831, 620701, 1754155, 3103505, 8069113, 40345565]

約数ペア:

[(1, 40345565), (5, 8069113), (13, 3103505), (23, 1754155), (65, 620701), (115, 350831), (299, 134935), (1495, 26987)]