216040880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{245501}}^1$

素因数の和:245525

約数の個数: 40

約数和(自身を含む): 547960464

約数和(自身を除く): 331919584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 245501, 491002, 982004, 1227505, 1964008, 2455010, 2700511, 3928016, 4910020, 5401022, 9820040, 10802044, 13502555, 19640080, 21604088, 27005110, 43208176, 54010220, 108020440, 216040880]

約数ペア:

[(1, 216040880), (2, 108020440), (4, 54010220), (5, 43208176), (8, 27005110), (10, 21604088), (11, 19640080), (16, 13502555), (20, 10802044), (22, 9820040), (40, 5401022), (44, 4910020), (55, 3928016), (80, 2700511), (88, 2455010), (110, 1964008), (176, 1227505), (220, 982004), (440, 491002), (880, 245501)]