28809680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9733}}^1$

素因数の和:9783

約数の個数: 40

約数和(自身を含む): 68799912

約数和(自身を除く): 39990232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9733, 19466, 38932, 48665, 77864, 97330, 155728, 194660, 360121, 389320, 720242, 778640, 1440484, 1800605, 2880968, 3601210, 5761936, 7202420, 14404840, 28809680]

約数ペア:

[(1, 28809680), (2, 14404840), (4, 7202420), (5, 5761936), (8, 3601210), (10, 2880968), (16, 1800605), (20, 1440484), (37, 778640), (40, 720242), (74, 389320), (80, 360121), (148, 194660), (185, 155728), (296, 97330), (370, 77864), (592, 48665), (740, 38932), (1480, 19466), (2960, 9733)]