811460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 1835736

約数和(自身を除く): 1024276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3121, 6242, 12484, 15605, 31210, 40573, 62420, 81146, 162292, 202865, 405730, 811460]

約数ペア:

[(1, 811460), (2, 405730), (4, 202865), (5, 162292), (10, 81146), (13, 62420), (20, 40573), (26, 31210), (52, 15605), (65, 12484), (130, 6242), (260, 3121)]