26913320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 69655680

約数和(自身を除く): 42742360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 347, 554, 694, 1108, 1385, 1388, 1735, 1939, 2216, 2429, 2770, 2776, 3470, 3878, 4858, 5540, 6940, 7756, 9695, 9716, 11080, 12145, 13880, 15512, 19390, 19432, 24290, 38780, 48580, 77560, 96119, 97160, 192238, 384476, 480595, 672833, 768952, 961190, 1345666, 1922380, 2691332, 3364165, 3844760, 5382664, 6728330, 13456660, 26913320]

約数ペア:

[(1, 26913320), (2, 13456660), (4, 6728330), (5, 5382664), (7, 3844760), (8, 3364165), (10, 2691332), (14, 1922380), (20, 1345666), (28, 961190), (35, 768952), (40, 672833), (56, 480595), (70, 384476), (140, 192238), (277, 97160), (280, 96119), (347, 77560), (554, 48580), (694, 38780), (1108, 24290), (1385, 19432), (1388, 19390), (1735, 15512), (1939, 13880), (2216, 12145), (2429, 11080), (2770, 9716), (2776, 9695), (3470, 7756), (3878, 6940), (4858, 5540)]