8720105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 11003904

約数和(自身を除く): 2283799

約数列:

[1, 5, 23, 115, 191, 397, 955, 1985, 4393, 9131, 21965, 45655, 75827, 379135, 1744021, 8720105]

約数ペア:

[(1, 8720105), (5, 1744021), (23, 379135), (115, 75827), (191, 45655), (397, 21965), (955, 9131), (1985, 4393)]