87851740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 190929312

約数和(自身を除く): 103077572

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 530, 670, 1060, 1237, 1340, 2474, 3551, 4948, 6185, 7102, 12370, 14204, 17755, 24740, 35510, 65561, 71020, 82879, 131122, 165758, 262244, 327805, 331516, 414395, 655610, 828790, 1311220, 1657580, 4392587, 8785174, 17570348, 21962935, 43925870, 87851740]

約数ペア:

[(1, 87851740), (2, 43925870), (4, 21962935), (5, 17570348), (10, 8785174), (20, 4392587), (53, 1657580), (67, 1311220), (106, 828790), (134, 655610), (212, 414395), (265, 331516), (268, 327805), (335, 262244), (530, 165758), (670, 131122), (1060, 82879), (1237, 71020), (1340, 65561), (2474, 35510), (3551, 24740), (4948, 17755), (6185, 14204), (7102, 12370)]