129822800

素因数分解:

$2^4\times 5^2\times {\mathrm{324557}}^1$

素因数の和:324575

約数の個数: 30

約数和(自身を含む): 311900238

約数和(自身を除く): 182077438

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 324557, 649114, 1298228, 1622785, 2596456, 3245570, 5192912, 6491140, 8113925, 12982280, 16227850, 25964560, 32455700, 64911400, 129822800]

約数ペア:

[(1, 129822800), (2, 64911400), (4, 32455700), (5, 25964560), (8, 16227850), (10, 12982280), (16, 8113925), (20, 6491140), (25, 5192912), (40, 3245570), (50, 2596456), (80, 1622785), (100, 1298228), (200, 649114), (400, 324557)]