3992540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 8482320

約数和(自身を除く): 4489780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2243, 4486, 8972, 11215, 22430, 44860, 199627, 399254, 798508, 998135, 1996270, 3992540]

約数ペア:

[(1, 3992540), (2, 1996270), (4, 998135), (5, 798508), (10, 399254), (20, 199627), (89, 44860), (178, 22430), (356, 11215), (445, 8972), (890, 4486), (1780, 2243)]