91330520

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3529}}^1$

素因数の和:4187

約数の個数: 32

約数和(自身を含む): 205869600

約数和(自身を除く): 114539080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 3529, 5176, 6470, 7058, 12940, 14116, 17645, 25880, 28232, 35290, 70580, 141160, 2283263, 4566526, 9133052, 11416315, 18266104, 22832630, 45665260, 91330520]

約数ペア:

[(1, 91330520), (2, 45665260), (4, 22832630), (5, 18266104), (8, 11416315), (10, 9133052), (20, 4566526), (40, 2283263), (647, 141160), (1294, 70580), (2588, 35290), (3235, 28232), (3529, 25880), (5176, 17645), (6470, 14116), (7058, 12940)]