39990340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4157}}^1$

素因数の和:4216

約数の個数: 48

約数和(自身を含む): 92906352

約数和(自身を除く): 52916012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4157, 4810, 8314, 9620, 16628, 20785, 41570, 54041, 83140, 108082, 153809, 216164, 270205, 307618, 540410, 615236, 769045, 1080820, 1538090, 1999517, 3076180, 3999034, 7998068, 9997585, 19995170, 39990340]

約数ペア:

[(1, 39990340), (2, 19995170), (4, 9997585), (5, 7998068), (10, 3999034), (13, 3076180), (20, 1999517), (26, 1538090), (37, 1080820), (52, 769045), (65, 615236), (74, 540410), (130, 307618), (148, 270205), (185, 216164), (260, 153809), (370, 108082), (481, 83140), (740, 54041), (962, 41570), (1924, 20785), (2405, 16628), (4157, 9620), (4810, 8314)]