20160981230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{648889}}^1$

素因数の和:649148

約数の個数: 32

約数和(自身を含む): 39244867200

約数和(自身を除く): 19083885970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 1195, 2390, 3107, 6214, 15535, 31070, 648889, 1297778, 3244445, 6488890, 8435557, 16871114, 42177785, 84355570, 155084471, 310168942, 775422355, 1550844710, 2016098123, 4032196246, 10080490615, 20160981230]

約数ペア:

[(1, 20160981230), (2, 10080490615), (5, 4032196246), (10, 2016098123), (13, 1550844710), (26, 775422355), (65, 310168942), (130, 155084471), (239, 84355570), (478, 42177785), (1195, 16871114), (2390, 8435557), (3107, 6488890), (6214, 3244445), (15535, 1297778), (31070, 648889)]