15980035

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 19971072

約数和(自身を除く): 3991037

約数列:

[1, 5, 31, 131, 155, 655, 787, 3935, 4061, 20305, 24397, 103097, 121985, 515485, 3196007, 15980035]

約数ペア:

[(1, 15980035), (5, 3196007), (31, 515485), (131, 121985), (155, 103097), (655, 24397), (787, 20305), (3935, 4061)]