25681040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 75203520

約数和(自身を除く): 49522480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 379, 385, 440, 484, 560, 605, 616, 758, 770, 847, 880, 968, 1210, 1232, 1516, 1540, 1694, 1895, 1936, 2420, 2653, 3032, 3080, 3388, 3790, 4169, 4235, 4840, 5306, 6064, 6160, 6776, 7580, 8338, 8470, 9680, 10612, 13265, 13552, 15160, 16676, 16940, 20845, 21224, 26530, 29183, 30320, 33352, 33880, 41690, 42448, 45859, 53060, 58366, 66704, 67760, 83380, 91718, 106120, 116732, 145915, 166760, 183436, 212240, 229295, 233464, 291830, 321013, 333520, 366872, 458590, 466928, 583660, 642026, 733744, 917180, 1167320, 1284052, 1605065, 1834360, 2334640, 2568104, 3210130, 3668720, 5136208, 6420260, 12840520, 25681040]

約数ペア:

[(1, 25681040), (2, 12840520), (4, 6420260), (5, 5136208), (7, 3668720), (8, 3210130), (10, 2568104), (11, 2334640), (14, 1834360), (16, 1605065), (20, 1284052), (22, 1167320), (28, 917180), (35, 733744), (40, 642026), (44, 583660), (55, 466928), (56, 458590), (70, 366872), (77, 333520), (80, 321013), (88, 291830), (110, 233464), (112, 229295), (121, 212240), (140, 183436), (154, 166760), (176, 145915), (220, 116732), (242, 106120), (280, 91718), (308, 83380), (379, 67760), (385, 66704), (440, 58366), (484, 53060), (560, 45859), (605, 42448), (616, 41690), (758, 33880), (770, 33352), (847, 30320), (880, 29183), (968, 26530), (1210, 21224), (1232, 20845), (1516, 16940), (1540, 16676), (1694, 15160), (1895, 13552), (1936, 13265), (2420, 10612), (2653, 9680), (3032, 8470), (3080, 8338), (3388, 7580), (3790, 6776), (4169, 6160), (4235, 6064), (4840, 5306)]