40570000

素因数分解:

$2^4\times 5^4\times {\mathrm{4057}}^1$

素因数の和:4085

約数の個数: 50

約数和(自身を含む): 98248238

約数和(自身を除く): 57678238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 4057, 5000, 8114, 10000, 16228, 20285, 32456, 40570, 64912, 81140, 101425, 162280, 202850, 324560, 405700, 507125, 811400, 1014250, 1622800, 2028500, 2535625, 4057000, 5071250, 8114000, 10142500, 20285000, 40570000]

約数ペア:

[(1, 40570000), (2, 20285000), (4, 10142500), (5, 8114000), (8, 5071250), (10, 4057000), (16, 2535625), (20, 2028500), (25, 1622800), (40, 1014250), (50, 811400), (80, 507125), (100, 405700), (125, 324560), (200, 202850), (250, 162280), (400, 101425), (500, 81140), (625, 64912), (1000, 40570), (1250, 32456), (2000, 20285), (2500, 16228), (4057, 10000), (5000, 8114)]