25297580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16427}}^1$

素因数の和:16454

約数の個数: 48

約数和(自身を含む): 66237696

約数和(自身を除く): 40940116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16427, 32854, 65708, 82135, 114989, 164270, 180697, 229978, 328540, 361394, 459956, 574945, 722788, 903485, 1149890, 1264879, 1806970, 2299780, 2529758, 3613940, 5059516, 6324395, 12648790, 25297580]

約数ペア:

[(1, 25297580), (2, 12648790), (4, 6324395), (5, 5059516), (7, 3613940), (10, 2529758), (11, 2299780), (14, 1806970), (20, 1264879), (22, 1149890), (28, 903485), (35, 722788), (44, 574945), (55, 459956), (70, 361394), (77, 328540), (110, 229978), (140, 180697), (154, 164270), (220, 114989), (308, 82135), (385, 65708), (770, 32854), (1540, 16427)]