3974920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 9155520

約数和(自身を除く): 5180600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2311, 4622, 9244, 11555, 18488, 23110, 46220, 92440, 99373, 198746, 397492, 496865, 794984, 993730, 1987460, 3974920]

約数ペア:

[(1, 3974920), (2, 1987460), (4, 993730), (5, 794984), (8, 496865), (10, 397492), (20, 198746), (40, 99373), (43, 92440), (86, 46220), (172, 23110), (215, 18488), (344, 11555), (430, 9244), (860, 4622), (1720, 2311)]