9887960

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1381}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 22388400

約数和(自身を除く): 12500440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1381, 1432, 1790, 2762, 3580, 5524, 6905, 7160, 11048, 13810, 27620, 55240, 247199, 494398, 988796, 1235995, 1977592, 2471990, 4943980, 9887960]

約数ペア:

[(1, 9887960), (2, 4943980), (4, 2471990), (5, 1977592), (8, 1235995), (10, 988796), (20, 494398), (40, 247199), (179, 55240), (358, 27620), (716, 13810), (895, 11048), (1381, 7160), (1432, 6905), (1790, 5524), (2762, 3580)]