25521860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 67925760

約数和(自身を除く): 42403900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 364, 370, 379, 455, 481, 518, 740, 758, 910, 962, 1036, 1295, 1516, 1820, 1895, 1924, 2405, 2590, 2653, 3367, 3790, 4810, 4927, 5180, 5306, 6734, 7580, 9620, 9854, 10612, 13265, 13468, 14023, 16835, 19708, 24635, 26530, 28046, 33670, 34489, 49270, 53060, 56092, 67340, 68978, 70115, 98161, 98540, 137956, 140230, 172445, 182299, 196322, 280460, 344890, 364598, 392644, 490805, 689780, 729196, 911495, 981610, 1276093, 1822990, 1963220, 2552186, 3645980, 5104372, 6380465, 12760930, 25521860]

約数ペア:

[(1, 25521860), (2, 12760930), (4, 6380465), (5, 5104372), (7, 3645980), (10, 2552186), (13, 1963220), (14, 1822990), (20, 1276093), (26, 981610), (28, 911495), (35, 729196), (37, 689780), (52, 490805), (65, 392644), (70, 364598), (74, 344890), (91, 280460), (130, 196322), (140, 182299), (148, 172445), (182, 140230), (185, 137956), (259, 98540), (260, 98161), (364, 70115), (370, 68978), (379, 67340), (455, 56092), (481, 53060), (518, 49270), (740, 34489), (758, 33670), (910, 28046), (962, 26530), (1036, 24635), (1295, 19708), (1516, 16835), (1820, 14023), (1895, 13468), (1924, 13265), (2405, 10612), (2590, 9854), (2653, 9620), (3367, 7580), (3790, 6734), (4810, 5306), (4927, 5180)]