2065580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 4868640

約数和(自身を除く): 2803060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 229, 410, 451, 458, 820, 902, 916, 1145, 1804, 2255, 2290, 2519, 4510, 4580, 5038, 9020, 9389, 10076, 12595, 18778, 25190, 37556, 46945, 50380, 93890, 103279, 187780, 206558, 413116, 516395, 1032790, 2065580]

約数ペア:

[(1, 2065580), (2, 1032790), (4, 516395), (5, 413116), (10, 206558), (11, 187780), (20, 103279), (22, 93890), (41, 50380), (44, 46945), (55, 37556), (82, 25190), (110, 18778), (164, 12595), (205, 10076), (220, 9389), (229, 9020), (410, 5038), (451, 4580), (458, 4510), (820, 2519), (902, 2290), (916, 2255), (1145, 1804)]