50001040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8803}}^1$

素因数の和:8887

約数の個数: 40

約数和(自身を含む): 117903168

約数和(自身を除く): 67902128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 8803, 17606, 35212, 44015, 70424, 88030, 140848, 176060, 352120, 625013, 704240, 1250026, 2500052, 3125065, 5000104, 6250130, 10000208, 12500260, 25000520, 50001040]

約数ペア:

[(1, 50001040), (2, 25000520), (4, 12500260), (5, 10000208), (8, 6250130), (10, 5000104), (16, 3125065), (20, 2500052), (40, 1250026), (71, 704240), (80, 625013), (142, 352120), (284, 176060), (355, 140848), (568, 88030), (710, 70424), (1136, 44015), (1420, 35212), (2840, 17606), (5680, 8803)]