27851560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63299}}^1$

素因数の和:63321

約数の個数: 32

約数和(自身を含む): 68364000

約数和(自身を除く): 40512440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63299, 126598, 253196, 316495, 506392, 632990, 696289, 1265980, 1392578, 2531960, 2785156, 3481445, 5570312, 6962890, 13925780, 27851560]

約数ペア:

[(1, 27851560), (2, 13925780), (4, 6962890), (5, 5570312), (8, 3481445), (10, 2785156), (11, 2531960), (20, 1392578), (22, 1265980), (40, 696289), (44, 632990), (55, 506392), (88, 316495), (110, 253196), (220, 126598), (440, 63299)]