26621840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 71459712

約数和(自身を除く): 44837872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 347, 548, 560, 685, 694, 959, 1096, 1370, 1388, 1735, 1918, 2192, 2429, 2740, 2776, 3470, 3836, 4795, 4858, 5480, 5552, 6940, 7672, 9590, 9716, 10960, 12145, 13880, 15344, 19180, 19432, 24290, 27760, 38360, 38864, 47539, 48580, 76720, 95078, 97160, 190156, 194320, 237695, 332773, 380312, 475390, 665546, 760624, 950780, 1331092, 1663865, 1901560, 2662184, 3327730, 3803120, 5324368, 6655460, 13310920, 26621840]

約数ペア:

[(1, 26621840), (2, 13310920), (4, 6655460), (5, 5324368), (7, 3803120), (8, 3327730), (10, 2662184), (14, 1901560), (16, 1663865), (20, 1331092), (28, 950780), (35, 760624), (40, 665546), (56, 475390), (70, 380312), (80, 332773), (112, 237695), (137, 194320), (140, 190156), (274, 97160), (280, 95078), (347, 76720), (548, 48580), (560, 47539), (685, 38864), (694, 38360), (959, 27760), (1096, 24290), (1370, 19432), (1388, 19180), (1735, 15344), (1918, 13880), (2192, 12145), (2429, 10960), (2740, 9716), (2776, 9590), (3470, 7672), (3836, 6940), (4795, 5552), (4858, 5480)]