71607920

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1607}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 166891104

約数和(自身を除く): 95283184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1607, 2228, 2785, 3214, 4456, 5570, 6428, 8035, 8912, 11140, 12856, 16070, 22280, 25712, 32140, 44560, 64280, 128560, 895099, 1790198, 3580396, 4475495, 7160792, 8950990, 14321584, 17901980, 35803960, 71607920]

約数ペア:

[(1, 71607920), (2, 35803960), (4, 17901980), (5, 14321584), (8, 8950990), (10, 7160792), (16, 4475495), (20, 3580396), (40, 1790198), (80, 895099), (557, 128560), (1114, 64280), (1607, 44560), (2228, 32140), (2785, 25712), (3214, 22280), (4456, 16070), (5570, 12856), (6428, 11140), (8035, 8912)]