28765220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2467}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 67169088

約数和(自身を除く): 38403868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2467, 2915, 4934, 5830, 9868, 11660, 12335, 24670, 27137, 49340, 54274, 108548, 130751, 135685, 261502, 271370, 523004, 542740, 653755, 1307510, 1438261, 2615020, 2876522, 5753044, 7191305, 14382610, 28765220]

約数ペア:

[(1, 28765220), (2, 14382610), (4, 7191305), (5, 5753044), (10, 2876522), (11, 2615020), (20, 1438261), (22, 1307510), (44, 653755), (53, 542740), (55, 523004), (106, 271370), (110, 261502), (212, 135685), (220, 130751), (265, 108548), (530, 54274), (583, 49340), (1060, 27137), (1166, 24670), (2332, 12335), (2467, 11660), (2915, 9868), (4934, 5830)]