15899680

素因数分解:

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

素因数の和:2369

約数の個数: 48

約数和(自身を含む): 38453184

約数和(自身を除く): 22553504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2311, 3440, 4622, 6880, 9244, 11555, 18488, 23110, 36976, 46220, 73952, 92440, 99373, 184880, 198746, 369760, 397492, 496865, 794984, 993730, 1589968, 1987460, 3179936, 3974920, 7949840, 15899680]

約数ペア:

[(1, 15899680), (2, 7949840), (4, 3974920), (5, 3179936), (8, 1987460), (10, 1589968), (16, 993730), (20, 794984), (32, 496865), (40, 397492), (43, 369760), (80, 198746), (86, 184880), (160, 99373), (172, 92440), (215, 73952), (344, 46220), (430, 36976), (688, 23110), (860, 18488), (1376, 11555), (1720, 9244), (2311, 6880), (3440, 4622)]