20140522280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{172259}}^1$

素因数の和:172386

約数の個数: 64

約数和(自身を含む): 47130336000

約数和(自身を除く): 26989813720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1480, 1580, 2923, 3160, 5846, 11692, 14615, 23384, 29230, 58460, 116920, 172259, 344518, 689036, 861295, 1378072, 1722590, 3445180, 6373583, 6890360, 12747166, 13608461, 25494332, 27216922, 31867915, 50988664, 54433844, 63735830, 68042305, 108867688, 127471660, 136084610, 254943320, 272169220, 503513057, 544338440, 1007026114, 2014052228, 2517565285, 4028104456, 5035130570, 10070261140, 20140522280]

約数ペア:

[(1, 20140522280), (2, 10070261140), (4, 5035130570), (5, 4028104456), (8, 2517565285), (10, 2014052228), (20, 1007026114), (37, 544338440), (40, 503513057), (74, 272169220), (79, 254943320), (148, 136084610), (158, 127471660), (185, 108867688), (296, 68042305), (316, 63735830), (370, 54433844), (395, 50988664), (632, 31867915), (740, 27216922), (790, 25494332), (1480, 13608461), (1580, 12747166), (2923, 6890360), (3160, 6373583), (5846, 3445180), (11692, 1722590), (14615, 1378072), (23384, 861295), (29230, 689036), (58460, 344518), (116920, 172259)]