11265980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 26460000

約数和(自身を除く): 15194020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1249, 1804, 2255, 2498, 4510, 4996, 6245, 9020, 12490, 13739, 24980, 27478, 51209, 54956, 68695, 102418, 137390, 204836, 256045, 274780, 512090, 563299, 1024180, 1126598, 2253196, 2816495, 5632990, 11265980]

約数ペア:

[(1, 11265980), (2, 5632990), (4, 2816495), (5, 2253196), (10, 1126598), (11, 1024180), (20, 563299), (22, 512090), (41, 274780), (44, 256045), (55, 204836), (82, 137390), (110, 102418), (164, 68695), (205, 54956), (220, 51209), (410, 27478), (451, 24980), (820, 13739), (902, 12490), (1249, 9020), (1804, 6245), (2255, 4996), (2498, 4510)]