25915630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 50476608

約数和(自身を除く): 24560978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 641, 1282, 1555, 3110, 3205, 4043, 6410, 8086, 8333, 16666, 20215, 40430, 41665, 83330, 199351, 398702, 996755, 1993510, 2591563, 5183126, 12957815, 25915630]

約数ペア:

[(1, 25915630), (2, 12957815), (5, 5183126), (10, 2591563), (13, 1993510), (26, 996755), (65, 398702), (130, 199351), (311, 83330), (622, 41665), (641, 40430), (1282, 20215), (1555, 16666), (3110, 8333), (3205, 8086), (4043, 6410)]