25678120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 43269080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 113, 115, 130, 152, 184, 190, 226, 230, 247, 260, 299, 380, 437, 452, 460, 494, 520, 565, 598, 760, 874, 904, 920, 988, 1130, 1196, 1235, 1469, 1495, 1748, 1976, 2147, 2185, 2260, 2392, 2470, 2599, 2938, 2990, 3496, 4294, 4370, 4520, 4940, 5198, 5681, 5876, 5980, 7345, 8588, 8740, 9880, 10396, 10735, 11362, 11752, 11960, 12995, 14690, 17176, 17480, 20792, 21470, 22724, 25990, 27911, 28405, 29380, 33787, 42940, 45448, 49381, 51980, 55822, 56810, 58760, 67574, 85880, 98762, 103960, 111644, 113620, 135148, 139555, 168935, 197524, 223288, 227240, 246905, 270296, 279110, 337870, 395048, 493810, 558220, 641953, 675740, 987620, 1116440, 1283906, 1351480, 1975240, 2567812, 3209765, 5135624, 6419530, 12839060, 25678120]

約数ペア:

[(1, 25678120), (2, 12839060), (4, 6419530), (5, 5135624), (8, 3209765), (10, 2567812), (13, 1975240), (19, 1351480), (20, 1283906), (23, 1116440), (26, 987620), (38, 675740), (40, 641953), (46, 558220), (52, 493810), (65, 395048), (76, 337870), (92, 279110), (95, 270296), (104, 246905), (113, 227240), (115, 223288), (130, 197524), (152, 168935), (184, 139555), (190, 135148), (226, 113620), (230, 111644), (247, 103960), (260, 98762), (299, 85880), (380, 67574), (437, 58760), (452, 56810), (460, 55822), (494, 51980), (520, 49381), (565, 45448), (598, 42940), (760, 33787), (874, 29380), (904, 28405), (920, 27911), (988, 25990), (1130, 22724), (1196, 21470), (1235, 20792), (1469, 17480), (1495, 17176), (1748, 14690), (1976, 12995), (2147, 11960), (2185, 11752), (2260, 11362), (2392, 10735), (2470, 10396), (2599, 9880), (2938, 8740), (2990, 8588), (3496, 7345), (4294, 5980), (4370, 5876), (4520, 5681), (4940, 5198)]