405730

素因数分解:

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

素因数の和:3141

約数の個数: 16

約数和(自身を含む): 786744

約数和(自身を除く): 381014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3121, 6242, 15605, 31210, 40573, 81146, 202865, 405730]

約数ペア:

[(1, 405730), (2, 202865), (5, 81146), (10, 40573), (13, 31210), (26, 15605), (65, 6242), (130, 3121)]