11980120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5651}}^1$

素因数の和:5715

約数の個数: 32

約数和(自身を含む): 27468720

約数和(自身を除く): 15488600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5651, 11302, 22604, 28255, 45208, 56510, 113020, 226040, 299503, 599006, 1198012, 1497515, 2396024, 2995030, 5990060, 11980120]

約数ペア:

[(1, 11980120), (2, 5990060), (4, 2995030), (5, 2396024), (8, 1497515), (10, 1198012), (20, 599006), (40, 299503), (53, 226040), (106, 113020), (212, 56510), (265, 45208), (424, 28255), (530, 22604), (1060, 11302), (2120, 5651)]