55009180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 122240160

約数和(自身を除く): 67230980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 401, 722, 802, 1444, 1604, 1805, 2005, 3610, 4010, 6859, 7220, 7619, 8020, 13718, 15238, 27436, 30476, 34295, 38095, 68590, 76190, 137180, 144761, 152380, 289522, 579044, 723805, 1447610, 2750459, 2895220, 5500918, 11001836, 13752295, 27504590, 55009180]

約数ペア:

[(1, 55009180), (2, 27504590), (4, 13752295), (5, 11001836), (10, 5500918), (19, 2895220), (20, 2750459), (38, 1447610), (76, 723805), (95, 579044), (190, 289522), (361, 152380), (380, 144761), (401, 137180), (722, 76190), (802, 68590), (1444, 38095), (1604, 34295), (1805, 30476), (2005, 27436), (3610, 15238), (4010, 13718), (6859, 8020), (7220, 7619)]