25509990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3405

約数の個数: 64

約数和(自身を含む): 69714432

約数和(自身を除く): 44204442

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3361, 3795, 6722, 7590, 10083, 16805, 20166, 33610, 36971, 50415, 73942, 77303, 100830, 110913, 154606, 184855, 221826, 231909, 369710, 386515, 463818, 554565, 773030, 850333, 1109130, 1159545, 1700666, 2319090, 2550999, 4251665, 5101998, 8503330, 12754995, 25509990]

約数ペア:

[(1, 25509990), (2, 12754995), (3, 8503330), (5, 5101998), (6, 4251665), (10, 2550999), (11, 2319090), (15, 1700666), (22, 1159545), (23, 1109130), (30, 850333), (33, 773030), (46, 554565), (55, 463818), (66, 386515), (69, 369710), (110, 231909), (115, 221826), (138, 184855), (165, 154606), (230, 110913), (253, 100830), (330, 77303), (345, 73942), (506, 50415), (690, 36971), (759, 33610), (1265, 20166), (1518, 16805), (2530, 10083), (3361, 7590), (3795, 6722)]