12537875

素因数分解:

$5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 19206720

約数和(自身を除く): 6668845

約数列:

[1, 5, 7, 23, 25, 35, 49, 89, 115, 125, 161, 175, 245, 445, 575, 623, 805, 875, 1127, 1225, 2047, 2225, 2875, 3115, 4025, 4361, 5635, 6125, 10235, 11125, 14329, 15575, 20125, 21805, 28175, 51175, 71645, 77875, 100303, 109025, 140875, 255875, 358225, 501515, 545125, 1791125, 2507575, 12537875]

約数ペア:

[(1, 12537875), (5, 2507575), (7, 1791125), (23, 545125), (25, 501515), (35, 358225), (49, 255875), (89, 140875), (115, 109025), (125, 100303), (161, 77875), (175, 71645), (245, 51175), (445, 28175), (575, 21805), (623, 20125), (805, 15575), (875, 14329), (1127, 11125), (1225, 10235), (2047, 6125), (2225, 5635), (2875, 4361), (3115, 4025)]