54554320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1889}}^1$

素因数の和:1940

約数の個数: 60

約数和(自身を含む): 133936740

約数和(自身を除く): 79382420

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 1889, 2888, 3610, 3778, 5776, 7220, 7556, 9445, 14440, 15112, 18890, 28880, 30224, 35891, 37780, 71782, 75560, 143564, 151120, 179455, 287128, 358910, 574256, 681929, 717820, 1363858, 1435640, 2727716, 2871280, 3409645, 5455432, 6819290, 10910864, 13638580, 27277160, 54554320]

約数ペア:

[(1, 54554320), (2, 27277160), (4, 13638580), (5, 10910864), (8, 6819290), (10, 5455432), (16, 3409645), (19, 2871280), (20, 2727716), (38, 1435640), (40, 1363858), (76, 717820), (80, 681929), (95, 574256), (152, 358910), (190, 287128), (304, 179455), (361, 151120), (380, 143564), (722, 75560), (760, 71782), (1444, 37780), (1520, 35891), (1805, 30224), (1889, 28880), (2888, 18890), (3610, 15112), (3778, 14440), (5776, 9445), (7220, 7556)]