80071985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^2$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 115926720

約数和(自身を除く): 35854735

約数列:

[1, 5, 7, 19, 35, 95, 133, 347, 665, 1735, 2429, 6593, 12145, 32965, 46151, 120409, 230755, 602045, 842863, 2287771, 4214315, 11438855, 16014397, 80071985]

約数ペア:

[(1, 80071985), (5, 16014397), (7, 11438855), (19, 4214315), (35, 2287771), (95, 842863), (133, 602045), (347, 230755), (665, 120409), (1735, 46151), (2429, 32965), (6593, 12145)]