169271920

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2609}}^1$

素因数の和:3433

約数の個数: 40

約数和(自身を含む): 394193520

約数和(自身を除く): 224921600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1622, 2609, 3244, 4055, 5218, 6488, 8110, 10436, 12976, 13045, 16220, 20872, 26090, 32440, 41744, 52180, 64880, 104360, 208720, 2115899, 4231798, 8463596, 10579495, 16927192, 21158990, 33854384, 42317980, 84635960, 169271920]

約数ペア:

[(1, 169271920), (2, 84635960), (4, 42317980), (5, 33854384), (8, 21158990), (10, 16927192), (16, 10579495), (20, 8463596), (40, 4231798), (80, 2115899), (811, 208720), (1622, 104360), (2609, 64880), (3244, 52180), (4055, 41744), (5218, 32440), (6488, 26090), (8110, 20872), (10436, 16220), (12976, 13045)]