80463920

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1657}}^1$

素因数の和:2277

約数の個数: 40

約数和(自身を含む): 187499904

約数和(自身を除く): 107035984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 1657, 2428, 3035, 3314, 4856, 6070, 6628, 8285, 9712, 12140, 13256, 16570, 24280, 26512, 33140, 48560, 66280, 132560, 1005799, 2011598, 4023196, 5028995, 8046392, 10057990, 16092784, 20115980, 40231960, 80463920]

約数ペア:

[(1, 80463920), (2, 40231960), (4, 20115980), (5, 16092784), (8, 10057990), (10, 8046392), (16, 5028995), (20, 4023196), (40, 2011598), (80, 1005799), (607, 132560), (1214, 66280), (1657, 48560), (2428, 33140), (3035, 26512), (3314, 24280), (4856, 16570), (6070, 13256), (6628, 12140), (8285, 9712)]