18120640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3365

約数の個数: 56

約数和(自身を含む): 45701712

約数和(自身を除く): 27581072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3331, 5440, 6662, 13324, 16655, 26648, 33310, 53296, 56627, 66620, 106592, 113254, 133240, 213184, 226508, 266480, 283135, 453016, 532960, 566270, 906032, 1065920, 1132540, 1812064, 2265080, 3624128, 4530160, 9060320, 18120640]

約数ペア:

[(1, 18120640), (2, 9060320), (4, 4530160), (5, 3624128), (8, 2265080), (10, 1812064), (16, 1132540), (17, 1065920), (20, 906032), (32, 566270), (34, 532960), (40, 453016), (64, 283135), (68, 266480), (80, 226508), (85, 213184), (136, 133240), (160, 113254), (170, 106592), (272, 66620), (320, 56627), (340, 53296), (544, 33310), (680, 26648), (1088, 16655), (1360, 13324), (2720, 6662), (3331, 5440)]