4091420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1303}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 8653344

約数和(自身を除く): 4561924

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1303, 1570, 2606, 3140, 5212, 6515, 13030, 26060, 204571, 409142, 818284, 1022855, 2045710, 4091420]

約数ペア:

[(1, 4091420), (2, 2045710), (4, 1022855), (5, 818284), (10, 409142), (20, 204571), (157, 26060), (314, 13030), (628, 6515), (785, 5212), (1303, 3140), (1570, 2606)]