12547480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28517}}^1$

素因数の和:28539

約数の個数: 32

約数和(自身を含む): 30799440

約数和(自身を除く): 18251960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28517, 57034, 114068, 142585, 228136, 285170, 313687, 570340, 627374, 1140680, 1254748, 1568435, 2509496, 3136870, 6273740, 12547480]

約数ペア:

[(1, 12547480), (2, 6273740), (4, 3136870), (5, 2509496), (8, 1568435), (10, 1254748), (11, 1140680), (20, 627374), (22, 570340), (40, 313687), (44, 285170), (55, 228136), (88, 142585), (110, 114068), (220, 57034), (440, 28517)]