39840710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43781}}^1$

素因数の和:43808

約数の個数: 32

約数和(自身を含む): 88264512

約数和(自身を除く): 48423802

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 43781, 87562, 218905, 306467, 437810, 569153, 612934, 1138306, 1532335, 2845765, 3064670, 3984071, 5691530, 7968142, 19920355, 39840710]

約数ペア:

[(1, 39840710), (2, 19920355), (5, 7968142), (7, 5691530), (10, 3984071), (13, 3064670), (14, 2845765), (26, 1532335), (35, 1138306), (65, 612934), (70, 569153), (91, 437810), (130, 306467), (182, 218905), (455, 87562), (910, 43781)]