25676980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 66528000

約数和(自身を除く): 40851020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 197, 245, 266, 343, 380, 394, 490, 532, 665, 686, 788, 931, 980, 985, 1330, 1372, 1379, 1715, 1862, 1970, 2660, 2758, 3430, 3724, 3743, 3940, 4655, 5516, 6517, 6860, 6895, 7486, 9310, 9653, 13034, 13790, 14972, 18620, 18715, 19306, 26068, 26201, 27580, 32585, 37430, 38612, 48265, 52402, 65170, 67571, 74860, 96530, 104804, 130340, 131005, 135142, 183407, 193060, 262010, 270284, 337855, 366814, 524020, 675710, 733628, 917035, 1283849, 1351420, 1834070, 2567698, 3668140, 5135396, 6419245, 12838490, 25676980]

約数ペア:

[(1, 25676980), (2, 12838490), (4, 6419245), (5, 5135396), (7, 3668140), (10, 2567698), (14, 1834070), (19, 1351420), (20, 1283849), (28, 917035), (35, 733628), (38, 675710), (49, 524020), (70, 366814), (76, 337855), (95, 270284), (98, 262010), (133, 193060), (140, 183407), (190, 135142), (196, 131005), (197, 130340), (245, 104804), (266, 96530), (343, 74860), (380, 67571), (394, 65170), (490, 52402), (532, 48265), (665, 38612), (686, 37430), (788, 32585), (931, 27580), (980, 26201), (985, 26068), (1330, 19306), (1372, 18715), (1379, 18620), (1715, 14972), (1862, 13790), (1970, 13034), (2660, 9653), (2758, 9310), (3430, 7486), (3724, 6895), (3743, 6860), (3940, 6517), (4655, 5516)]