12828020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 28546560

約数和(自身を除く): 15718540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 353, 395, 460, 706, 790, 1412, 1580, 1765, 1817, 3530, 3634, 7060, 7268, 8119, 9085, 16238, 18170, 27887, 32476, 36340, 40595, 55774, 81190, 111548, 139435, 162380, 278870, 557740, 641401, 1282802, 2565604, 3207005, 6414010, 12828020]

約数ペア:

[(1, 12828020), (2, 6414010), (4, 3207005), (5, 2565604), (10, 1282802), (20, 641401), (23, 557740), (46, 278870), (79, 162380), (92, 139435), (115, 111548), (158, 81190), (230, 55774), (316, 40595), (353, 36340), (395, 32476), (460, 27887), (706, 18170), (790, 16238), (1412, 9085), (1580, 8119), (1765, 7268), (1817, 7060), (3530, 3634)]