18009400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1699}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 42687000

約数和(自身を除く): 24677600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1699, 2120, 2650, 3398, 5300, 6796, 8495, 10600, 13592, 16990, 33980, 42475, 67960, 84950, 90047, 169900, 180094, 339800, 360188, 450235, 720376, 900470, 1800940, 2251175, 3601880, 4502350, 9004700, 18009400]

約数ペア:

[(1, 18009400), (2, 9004700), (4, 4502350), (5, 3601880), (8, 2251175), (10, 1800940), (20, 900470), (25, 720376), (40, 450235), (50, 360188), (53, 339800), (100, 180094), (106, 169900), (200, 90047), (212, 84950), (265, 67960), (424, 42475), (530, 33980), (1060, 16990), (1325, 13592), (1699, 10600), (2120, 8495), (2650, 6796), (3398, 5300)]