11626780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 27306720

約数和(自身を除く): 15679940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1289, 1804, 2255, 2578, 4510, 5156, 6445, 9020, 12890, 14179, 25780, 28358, 52849, 56716, 70895, 105698, 141790, 211396, 264245, 283580, 528490, 581339, 1056980, 1162678, 2325356, 2906695, 5813390, 11626780]

約数ペア:

[(1, 11626780), (2, 5813390), (4, 2906695), (5, 2325356), (10, 1162678), (11, 1056980), (20, 581339), (22, 528490), (41, 283580), (44, 264245), (55, 211396), (82, 141790), (110, 105698), (164, 70895), (205, 56716), (220, 52849), (410, 28358), (451, 25780), (820, 14179), (902, 12890), (1289, 9020), (1804, 6445), (2255, 5156), (2578, 4510)]