31072840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14657}}^1$

素因数の和:14721

約数の個数: 32

約数和(自身を含む): 71237880

約数和(自身を除く): 40165040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14657, 29314, 58628, 73285, 117256, 146570, 293140, 586280, 776821, 1553642, 3107284, 3884105, 6214568, 7768210, 15536420, 31072840]

約数ペア:

[(1, 31072840), (2, 15536420), (4, 7768210), (5, 6214568), (8, 3884105), (10, 3107284), (20, 1553642), (40, 776821), (53, 586280), (106, 293140), (212, 146570), (265, 117256), (424, 73285), (530, 58628), (1060, 29314), (2120, 14657)]