247807240

素因数分解:

$2^3\times 5^1\times {\mathrm{6195181}}^1$

素因数の和:6195192

約数の個数: 16

約数和(自身を含む): 557566380

約数和(自身を除く): 309759140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6195181, 12390362, 24780724, 30975905, 49561448, 61951810, 123903620, 247807240]

約数ペア:

[(1, 247807240), (2, 123903620), (4, 61951810), (5, 49561448), (8, 30975905), (10, 24780724), (20, 12390362), (40, 6195181)]