25245490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 26076110

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 53, 95, 106, 109, 115, 190, 218, 230, 265, 437, 530, 545, 874, 1007, 1090, 1219, 2014, 2071, 2185, 2438, 2507, 4142, 4370, 5014, 5035, 5777, 6095, 10070, 10355, 11554, 12190, 12535, 20710, 23161, 25070, 28885, 46322, 47633, 57770, 95266, 109763, 115805, 132871, 219526, 231610, 238165, 265742, 476330, 548815, 664355, 1097630, 1328710, 2524549, 5049098, 12622745, 25245490]

約数ペア:

[(1, 25245490), (2, 12622745), (5, 5049098), (10, 2524549), (19, 1328710), (23, 1097630), (38, 664355), (46, 548815), (53, 476330), (95, 265742), (106, 238165), (109, 231610), (115, 219526), (190, 132871), (218, 115805), (230, 109763), (265, 95266), (437, 57770), (530, 47633), (545, 46322), (874, 28885), (1007, 25070), (1090, 23161), (1219, 20710), (2014, 12535), (2071, 12190), (2185, 11554), (2438, 10355), (2507, 10070), (4142, 6095), (4370, 5777), (5014, 5035)]