78434120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26861}}^1$

素因数の和:26945

約数の個数: 32

約数和(自身を含む): 178900920

約数和(自身を除く): 100466800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 26861, 53722, 107444, 134305, 214888, 268610, 537220, 1074440, 1960853, 3921706, 7843412, 9804265, 15686824, 19608530, 39217060, 78434120]

約数ペア:

[(1, 78434120), (2, 39217060), (4, 19608530), (5, 15686824), (8, 9804265), (10, 7843412), (20, 3921706), (40, 1960853), (73, 1074440), (146, 537220), (292, 268610), (365, 214888), (584, 134305), (730, 107444), (1460, 53722), (2920, 26861)]