51343840

素因数分解:

$2^5\times 5^1\times {\mathrm{320899}}^1$

素因数の和:320914

約数の個数: 24

約数和(自身を含む): 121300200

約数和(自身を除く): 69956360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 320899, 641798, 1283596, 1604495, 2567192, 3208990, 5134384, 6417980, 10268768, 12835960, 25671920, 51343840]

約数ペア:

[(1, 51343840), (2, 25671920), (4, 12835960), (5, 10268768), (8, 6417980), (10, 5134384), (16, 3208990), (20, 2567192), (32, 1604495), (40, 1283596), (80, 641798), (160, 320899)]