54517900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 122769920

約数和(自身を除く): 68252020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 79, 100, 103, 134, 158, 206, 268, 316, 335, 395, 412, 515, 670, 790, 1030, 1340, 1580, 1675, 1975, 2060, 2575, 3350, 3950, 5150, 5293, 6700, 6901, 7900, 8137, 10300, 10586, 13802, 16274, 21172, 26465, 27604, 32548, 34505, 40685, 52930, 69010, 81370, 105860, 132325, 138020, 162740, 172525, 203425, 264650, 345050, 406850, 529300, 545179, 690100, 813700, 1090358, 2180716, 2725895, 5451790, 10903580, 13629475, 27258950, 54517900]

約数ペア:

[(1, 54517900), (2, 27258950), (4, 13629475), (5, 10903580), (10, 5451790), (20, 2725895), (25, 2180716), (50, 1090358), (67, 813700), (79, 690100), (100, 545179), (103, 529300), (134, 406850), (158, 345050), (206, 264650), (268, 203425), (316, 172525), (335, 162740), (395, 138020), (412, 132325), (515, 105860), (670, 81370), (790, 69010), (1030, 52930), (1340, 40685), (1580, 34505), (1675, 32548), (1975, 27604), (2060, 26465), (2575, 21172), (3350, 16274), (3950, 13802), (5150, 10586), (5293, 10300), (6700, 8137), (6901, 7900)]