65838890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7559}}^1$

素因数の和:7646

約数の個数: 32

約数和(自身を含む): 129548160

約数和(自身を除く): 63709270

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 7559, 8710, 15118, 37795, 75590, 98267, 196534, 491335, 506453, 982670, 1012906, 2532265, 5064530, 6583889, 13167778, 32919445, 65838890]

約数ペア:

[(1, 65838890), (2, 32919445), (5, 13167778), (10, 6583889), (13, 5064530), (26, 2532265), (65, 1012906), (67, 982670), (130, 506453), (134, 491335), (335, 196534), (670, 98267), (871, 75590), (1742, 37795), (4355, 15118), (7559, 8710)]