12643180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 29302560

約数和(自身を除く): 16659380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 569, 1010, 1111, 1138, 2020, 2222, 2276, 2845, 4444, 5555, 5690, 6259, 11110, 11380, 12518, 22220, 25036, 31295, 57469, 62590, 114938, 125180, 229876, 287345, 574690, 632159, 1149380, 1264318, 2528636, 3160795, 6321590, 12643180]

約数ペア:

[(1, 12643180), (2, 6321590), (4, 3160795), (5, 2528636), (10, 1264318), (11, 1149380), (20, 632159), (22, 574690), (44, 287345), (55, 229876), (101, 125180), (110, 114938), (202, 62590), (220, 57469), (404, 31295), (505, 25036), (569, 22220), (1010, 12518), (1111, 11380), (1138, 11110), (2020, 6259), (2222, 5690), (2276, 5555), (2845, 4444)]