71314840

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1381}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 160698960

約数和(自身を除く): 89384120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 1381, 2582, 2762, 5164, 5524, 6455, 6905, 10328, 11048, 12910, 13810, 25820, 27620, 51640, 55240, 1782871, 3565742, 7131484, 8914355, 14262968, 17828710, 35657420, 71314840]

約数ペア:

[(1, 71314840), (2, 35657420), (4, 17828710), (5, 14262968), (8, 8914355), (10, 7131484), (20, 3565742), (40, 1782871), (1291, 55240), (1381, 51640), (2582, 27620), (2762, 25820), (5164, 13810), (5524, 12910), (6455, 11048), (6905, 10328)]