2020676560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97523}}^1$

素因数の和:97580

約数の個数: 80

約数和(自身を含む): 5514397056

約数和(自身を除く): 3493720496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 20720, 97523, 195046, 390092, 487615, 682661, 780184, 975230, 1365322, 1560368, 1950460, 2730644, 3413305, 3608351, 3900920, 5461288, 6826610, 7216702, 7801840, 10922576, 13653220, 14433404, 18041755, 25258457, 27306440, 28866808, 36083510, 50516914, 54612880, 57733616, 72167020, 101033828, 126292285, 144334040, 202067656, 252584570, 288668080, 404135312, 505169140, 1010338280, 2020676560]

約数ペア:

[(1, 2020676560), (2, 1010338280), (4, 505169140), (5, 404135312), (7, 288668080), (8, 252584570), (10, 202067656), (14, 144334040), (16, 126292285), (20, 101033828), (28, 72167020), (35, 57733616), (37, 54612880), (40, 50516914), (56, 36083510), (70, 28866808), (74, 27306440), (80, 25258457), (112, 18041755), (140, 14433404), (148, 13653220), (185, 10922576), (259, 7801840), (280, 7216702), (296, 6826610), (370, 5461288), (518, 3900920), (560, 3608351), (592, 3413305), (740, 2730644), (1036, 1950460), (1295, 1560368), (1480, 1365322), (2072, 975230), (2590, 780184), (2960, 682661), (4144, 487615), (5180, 390092), (10360, 195046), (20720, 97523)]