82420720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15377}}^1$

素因数の和:15457

約数の個数: 40

約数和(自身を含む): 194500944

約数和(自身を除く): 112080224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 15377, 30754, 61508, 76885, 123016, 153770, 246032, 307540, 615080, 1030259, 1230160, 2060518, 4121036, 5151295, 8242072, 10302590, 16484144, 20605180, 41210360, 82420720]

約数ペア:

[(1, 82420720), (2, 41210360), (4, 20605180), (5, 16484144), (8, 10302590), (10, 8242072), (16, 5151295), (20, 4121036), (40, 2060518), (67, 1230160), (80, 1030259), (134, 615080), (268, 307540), (335, 246032), (536, 153770), (670, 123016), (1072, 76885), (1340, 61508), (2680, 30754), (5360, 15377)]