22235440

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{557}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 51894000

約数和(自身を除く): 29658560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 557, 998, 1114, 1996, 2228, 2495, 2785, 3992, 4456, 4990, 5570, 7984, 8912, 9980, 11140, 19960, 22280, 39920, 44560, 277943, 555886, 1111772, 1389715, 2223544, 2779430, 4447088, 5558860, 11117720, 22235440]

約数ペア:

[(1, 22235440), (2, 11117720), (4, 5558860), (5, 4447088), (8, 2779430), (10, 2223544), (16, 1389715), (20, 1111772), (40, 555886), (80, 277943), (499, 44560), (557, 39920), (998, 22280), (1114, 19960), (1996, 11140), (2228, 9980), (2495, 8912), (2785, 7984), (3992, 5570), (4456, 4990)]