25785890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 50379840

約数和(自身を除く): 24593950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1427, 1807, 2854, 3614, 7135, 9035, 14270, 18070, 18551, 37102, 92755, 185510, 198353, 396706, 991765, 1983530, 2578589, 5157178, 12892945, 25785890]

約数ペア:

[(1, 25785890), (2, 12892945), (5, 5157178), (10, 2578589), (13, 1983530), (26, 991765), (65, 396706), (130, 198353), (139, 185510), (278, 92755), (695, 37102), (1390, 18551), (1427, 18070), (1807, 14270), (2854, 9035), (3614, 7135)]