67321825

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 85708800

約数和(自身を除く): 18386975

約数列:

[1, 5, 25, 79, 89, 383, 395, 445, 1915, 1975, 2225, 7031, 9575, 30257, 34087, 35155, 151285, 170435, 175775, 756425, 852175, 2692873, 13464365, 67321825]

約数ペア:

[(1, 67321825), (5, 13464365), (25, 2692873), (79, 852175), (89, 756425), (383, 175775), (395, 170435), (445, 151285), (1915, 35155), (1975, 34087), (2225, 30257), (7031, 9575)]