40987570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 81164160

約数和(自身を除く): 40176590

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 307, 338, 395, 614, 790, 845, 1027, 1535, 1690, 2054, 3070, 3991, 5135, 7982, 10270, 13351, 19955, 24253, 26702, 39910, 48506, 51883, 66755, 103766, 121265, 133510, 242530, 259415, 315289, 518830, 630578, 1576445, 3152890, 4098757, 8197514, 20493785, 40987570]

約数ペア:

[(1, 40987570), (2, 20493785), (5, 8197514), (10, 4098757), (13, 3152890), (26, 1576445), (65, 630578), (79, 518830), (130, 315289), (158, 259415), (169, 242530), (307, 133510), (338, 121265), (395, 103766), (614, 66755), (790, 51883), (845, 48506), (1027, 39910), (1535, 26702), (1690, 24253), (2054, 19955), (3070, 13351), (3991, 10270), (5135, 7982)]