55844420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 124286400

約数和(自身を除く): 68441980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 716, 821, 895, 1642, 1790, 3284, 3401, 3580, 4105, 6802, 8210, 13604, 15599, 16420, 17005, 31198, 34010, 62396, 68020, 77995, 146959, 155990, 293918, 311980, 587836, 734795, 1469590, 2792221, 2939180, 5584442, 11168884, 13961105, 27922210, 55844420]

約数ペア:

[(1, 55844420), (2, 27922210), (4, 13961105), (5, 11168884), (10, 5584442), (19, 2939180), (20, 2792221), (38, 1469590), (76, 734795), (95, 587836), (179, 311980), (190, 293918), (358, 155990), (380, 146959), (716, 77995), (821, 68020), (895, 62396), (1642, 34010), (1790, 31198), (3284, 17005), (3401, 16420), (3580, 15599), (4105, 13604), (6802, 8210)]