55711960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 74924840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 251, 310, 358, 502, 620, 716, 895, 1004, 1240, 1255, 1432, 1790, 2008, 2510, 3580, 5020, 5549, 7160, 7781, 10040, 11098, 15562, 22196, 27745, 31124, 38905, 44392, 44929, 55490, 62248, 77810, 89858, 110980, 155620, 179716, 221960, 224645, 311240, 359432, 449290, 898580, 1392799, 1797160, 2785598, 5571196, 6963995, 11142392, 13927990, 27855980, 55711960]

約数ペア:

[(1, 55711960), (2, 27855980), (4, 13927990), (5, 11142392), (8, 6963995), (10, 5571196), (20, 2785598), (31, 1797160), (40, 1392799), (62, 898580), (124, 449290), (155, 359432), (179, 311240), (248, 224645), (251, 221960), (310, 179716), (358, 155620), (502, 110980), (620, 89858), (716, 77810), (895, 62248), (1004, 55490), (1240, 44929), (1255, 44392), (1432, 38905), (1790, 31124), (2008, 27745), (2510, 22196), (3580, 15562), (5020, 11098), (5549, 10040), (7160, 7781)]