2801660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 5969376

約数和(自身を除く): 3167716

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1973, 3946, 7892, 9865, 19730, 39460, 140083, 280166, 560332, 700415, 1400830, 2801660]

約数ペア:

[(1, 2801660), (2, 1400830), (4, 700415), (5, 560332), (10, 280166), (20, 140083), (71, 39460), (142, 19730), (284, 9865), (355, 7892), (710, 3946), (1420, 1973)]