64864040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{24203}}^1$

素因数の和:24281

約数の個数: 32

約数和(自身を含む): 148128480

約数和(自身を除く): 83264440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 24203, 48406, 96812, 121015, 193624, 242030, 484060, 968120, 1621601, 3243202, 6486404, 8108005, 12972808, 16216010, 32432020, 64864040]

約数ペア:

[(1, 64864040), (2, 32432020), (4, 16216010), (5, 12972808), (8, 8108005), (10, 6486404), (20, 3243202), (40, 1621601), (67, 968120), (134, 484060), (268, 242030), (335, 193624), (536, 121015), (670, 96812), (1340, 48406), (2680, 24203)]