28925360

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{661}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 67476336

約数和(自身を除く): 38550976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 661, 1094, 1322, 2188, 2644, 2735, 3305, 4376, 5288, 5470, 6610, 8752, 10576, 10940, 13220, 21880, 26440, 43760, 52880, 361567, 723134, 1446268, 1807835, 2892536, 3615670, 5785072, 7231340, 14462680, 28925360]

約数ペア:

[(1, 28925360), (2, 14462680), (4, 7231340), (5, 5785072), (8, 3615670), (10, 2892536), (16, 1807835), (20, 1446268), (40, 723134), (80, 361567), (547, 52880), (661, 43760), (1094, 26440), (1322, 21880), (2188, 13220), (2644, 10940), (2735, 10576), (3305, 8752), (4376, 6610), (5288, 5470)]