25528060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 29629700

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 151, 158, 214, 302, 316, 395, 428, 535, 604, 755, 790, 1070, 1510, 1580, 2140, 3020, 8453, 11929, 16157, 16906, 23858, 32314, 33812, 42265, 47716, 59645, 64628, 80785, 84530, 119290, 161570, 169060, 238580, 323140, 1276403, 2552806, 5105612, 6382015, 12764030, 25528060]

約数ペア:

[(1, 25528060), (2, 12764030), (4, 6382015), (5, 5105612), (10, 2552806), (20, 1276403), (79, 323140), (107, 238580), (151, 169060), (158, 161570), (214, 119290), (302, 84530), (316, 80785), (395, 64628), (428, 59645), (535, 47716), (604, 42265), (755, 33812), (790, 32314), (1070, 23858), (1510, 16906), (1580, 16157), (2140, 11929), (3020, 8453)]