7970440

素因数分解:

$2^3\times 5^1\times {\mathrm{199261}}^1$

素因数の和:199272

約数の個数: 16

約数和(自身を含む): 17933580

約数和(自身を除く): 9963140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199261, 398522, 797044, 996305, 1594088, 1992610, 3985220, 7970440]

約数ペア:

[(1, 7970440), (2, 3985220), (4, 1992610), (5, 1594088), (8, 996305), (10, 797044), (20, 398522), (40, 199261)]