40553960

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1567}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 91445760

約数和(自身を除く): 50891800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1567, 2588, 3134, 3235, 5176, 6268, 6470, 7835, 12536, 12940, 15670, 25880, 31340, 62680, 1013849, 2027698, 4055396, 5069245, 8110792, 10138490, 20276980, 40553960]

約数ペア:

[(1, 40553960), (2, 20276980), (4, 10138490), (5, 8110792), (8, 5069245), (10, 4055396), (20, 2027698), (40, 1013849), (647, 62680), (1294, 31340), (1567, 25880), (2588, 15670), (3134, 12940), (3235, 12536), (5176, 7835), (6268, 6470)]