12886240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 31168368

約数和(自身を除く): 18282128

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, 1873, 3440, 3746, 6880, 7492, 9365, 14984, 18730, 29968, 37460, 59936, 74920, 80539, 149840, 161078, 299680, 322156, 402695, 644312, 805390, 1288624, 1610780, 2577248, 3221560, 6443120, 12886240]

約数ペア:

[(1, 12886240), (2, 6443120), (4, 3221560), (5, 2577248), (8, 1610780), (10, 1288624), (16, 805390), (20, 644312), (32, 402695), (40, 322156), (43, 299680), (80, 161078), (86, 149840), (160, 80539), (172, 74920), (215, 59936), (344, 37460), (430, 29968), (688, 18730), (860, 14984), (1376, 9365), (1720, 7492), (1873, 6880), (3440, 3746)]