28751060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110581}}^1$

素因数の和:110603

約数の個数: 24

約数和(自身を含む): 65022216

約数和(自身を除く): 36271156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110581, 221162, 442324, 552905, 1105810, 1437553, 2211620, 2875106, 5750212, 7187765, 14375530, 28751060]

約数ペア:

[(1, 28751060), (2, 14375530), (4, 7187765), (5, 5750212), (10, 2875106), (13, 2211620), (20, 1437553), (26, 1105810), (52, 552905), (65, 442324), (130, 221162), (260, 110581)]