80667320

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6569}}^1$

素因数の和:6887

約数の個数: 32

約数和(自身を含む): 182120400

約数和(自身を除く): 101453080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 6569, 12280, 13138, 26276, 32845, 52552, 65690, 131380, 262760, 2016683, 4033366, 8066732, 10083415, 16133464, 20166830, 40333660, 80667320]

約数ペア:

[(1, 80667320), (2, 40333660), (4, 20166830), (5, 16133464), (8, 10083415), (10, 8066732), (20, 4033366), (40, 2016683), (307, 262760), (614, 131380), (1228, 65690), (1535, 52552), (2456, 32845), (3070, 26276), (6140, 13138), (6569, 12280)]