5122360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 11678400

約数和(自身を除く): 6556040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 1621, 3160, 3242, 6484, 8105, 12968, 16210, 32420, 64840, 128059, 256118, 512236, 640295, 1024472, 1280590, 2561180, 5122360]

約数ペア:

[(1, 5122360), (2, 2561180), (4, 1280590), (5, 1024472), (8, 640295), (10, 512236), (20, 256118), (40, 128059), (79, 64840), (158, 32420), (316, 16210), (395, 12968), (632, 8105), (790, 6484), (1580, 3242), (1621, 3160)]