25175920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 75280896

約数和(自身を除く): 50104976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 61, 67, 70, 77, 80, 88, 110, 112, 122, 134, 140, 154, 176, 220, 244, 268, 280, 305, 308, 335, 385, 427, 440, 469, 488, 536, 560, 610, 616, 670, 671, 737, 770, 854, 880, 938, 976, 1072, 1220, 1232, 1340, 1342, 1474, 1540, 1708, 1876, 2135, 2345, 2440, 2680, 2684, 2948, 3080, 3355, 3416, 3685, 3752, 4087, 4270, 4690, 4697, 4880, 5159, 5360, 5368, 5896, 6160, 6710, 6832, 7370, 7504, 8174, 8540, 9380, 9394, 10318, 10736, 11792, 13420, 14740, 16348, 17080, 18760, 18788, 20435, 20636, 23485, 25795, 26840, 28609, 29480, 32696, 34160, 37520, 37576, 40870, 41272, 44957, 46970, 51590, 53680, 57218, 58960, 65392, 75152, 81740, 82544, 89914, 93940, 103180, 114436, 143045, 163480, 179828, 187880, 206360, 224785, 228872, 286090, 314699, 326960, 359656, 375760, 412720, 449570, 457744, 572180, 629398, 719312, 899140, 1144360, 1258796, 1573495, 1798280, 2288720, 2517592, 3146990, 3596560, 5035184, 6293980, 12587960, 25175920]

約数ペア:

[(1, 25175920), (2, 12587960), (4, 6293980), (5, 5035184), (7, 3596560), (8, 3146990), (10, 2517592), (11, 2288720), (14, 1798280), (16, 1573495), (20, 1258796), (22, 1144360), (28, 899140), (35, 719312), (40, 629398), (44, 572180), (55, 457744), (56, 449570), (61, 412720), (67, 375760), (70, 359656), (77, 326960), (80, 314699), (88, 286090), (110, 228872), (112, 224785), (122, 206360), (134, 187880), (140, 179828), (154, 163480), (176, 143045), (220, 114436), (244, 103180), (268, 93940), (280, 89914), (305, 82544), (308, 81740), (335, 75152), (385, 65392), (427, 58960), (440, 57218), (469, 53680), (488, 51590), (536, 46970), (560, 44957), (610, 41272), (616, 40870), (670, 37576), (671, 37520), (737, 34160), (770, 32696), (854, 29480), (880, 28609), (938, 26840), (976, 25795), (1072, 23485), (1220, 20636), (1232, 20435), (1340, 18788), (1342, 18760), (1474, 17080), (1540, 16348), (1708, 14740), (1876, 13420), (2135, 11792), (2345, 10736), (2440, 10318), (2680, 9394), (2684, 9380), (2948, 8540), (3080, 8174), (3355, 7504), (3416, 7370), (3685, 6832), (3752, 6710), (4087, 6160), (4270, 5896), (4690, 5368), (4697, 5360), (4880, 5159)]