326960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 784176

約数和(自身を除く): 457216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 67, 80, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 976, 1072, 1220, 1340, 2440, 2680, 4087, 4880, 5360, 8174, 16348, 20435, 32696, 40870, 65392, 81740, 163480, 326960]

約数ペア:

[(1, 326960), (2, 163480), (4, 81740), (5, 65392), (8, 40870), (10, 32696), (16, 20435), (20, 16348), (40, 8174), (61, 5360), (67, 4880), (80, 4087), (122, 2680), (134, 2440), (244, 1340), (268, 1220), (305, 1072), (335, 976), (488, 670), (536, 610)]