26239180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 61598880

約数和(自身を除く): 35359700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2909, 4510, 5818, 9020, 11636, 14545, 29090, 31999, 58180, 63998, 119269, 127996, 159995, 238538, 319990, 477076, 596345, 639980, 1192690, 1311959, 2385380, 2623918, 5247836, 6559795, 13119590, 26239180]

約数ペア:

[(1, 26239180), (2, 13119590), (4, 6559795), (5, 5247836), (10, 2623918), (11, 2385380), (20, 1311959), (22, 1192690), (41, 639980), (44, 596345), (55, 477076), (82, 319990), (110, 238538), (164, 159995), (205, 127996), (220, 119269), (410, 63998), (451, 58180), (820, 31999), (902, 29090), (1804, 14545), (2255, 11636), (2909, 9020), (4510, 5818)]