26803019720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1843

約数の個数: 128

約数和(自身を含む): 63068544000

約数和(自身を除く): 36265524280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 139, 142, 172, 215, 278, 284, 344, 355, 430, 556, 568, 695, 710, 860, 1112, 1390, 1420, 1579, 1720, 2780, 2840, 3053, 3158, 5560, 5977, 6106, 6316, 7895, 9869, 11954, 12212, 12632, 15265, 15790, 19738, 23908, 24424, 29885, 30530, 31580, 39476, 47816, 49345, 59770, 61060, 63160, 67897, 78952, 98690, 112109, 119540, 122120, 135794, 197380, 219481, 224218, 239080, 271588, 339485, 394760, 424367, 438962, 448436, 543176, 560545, 678970, 848734, 877924, 896872, 1097405, 1121090, 1357940, 1697468, 1755848, 2121835, 2194810, 2242180, 2715880, 3394936, 4243670, 4389620, 4484360, 4820687, 8487340, 8779240, 9437683, 9641374, 15583151, 16974680, 18875366, 19282748, 24103435, 31166302, 37750732, 38565496, 47188415, 48206870, 62332604, 75501464, 77915755, 94376830, 96413740, 124665208, 155831510, 188753660, 192827480, 311663020, 377507320, 623326040, 670075493, 1340150986, 2680301972, 3350377465, 5360603944, 6700754930, 13401509860, 26803019720]

約数ペア:

[(1, 26803019720), (2, 13401509860), (4, 6700754930), (5, 5360603944), (8, 3350377465), (10, 2680301972), (20, 1340150986), (40, 670075493), (43, 623326040), (71, 377507320), (86, 311663020), (139, 192827480), (142, 188753660), (172, 155831510), (215, 124665208), (278, 96413740), (284, 94376830), (344, 77915755), (355, 75501464), (430, 62332604), (556, 48206870), (568, 47188415), (695, 38565496), (710, 37750732), (860, 31166302), (1112, 24103435), (1390, 19282748), (1420, 18875366), (1579, 16974680), (1720, 15583151), (2780, 9641374), (2840, 9437683), (3053, 8779240), (3158, 8487340), (5560, 4820687), (5977, 4484360), (6106, 4389620), (6316, 4243670), (7895, 3394936), (9869, 2715880), (11954, 2242180), (12212, 2194810), (12632, 2121835), (15265, 1755848), (15790, 1697468), (19738, 1357940), (23908, 1121090), (24424, 1097405), (29885, 896872), (30530, 877924), (31580, 848734), (39476, 678970), (47816, 560545), (49345, 543176), (59770, 448436), (61060, 438962), (63160, 424367), (67897, 394760), (78952, 339485), (98690, 271588), (112109, 239080), (119540, 224218), (122120, 219481), (135794, 197380)]