102138880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19949}}^1$

素因数の和:19974

約数の個数: 44

約数和(自身を含む): 245025900

約数和(自身を除く): 142887020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 398980, 638368, 797960, 1276736, 1595920, 2553472, 3191840, 5106944, 6383680, 10213888, 12767360, 20427776, 25534720, 51069440, 102138880]

約数ペア:

[(1, 102138880), (2, 51069440), (4, 25534720), (5, 20427776), (8, 12767360), (10, 10213888), (16, 6383680), (20, 5106944), (32, 3191840), (40, 2553472), (64, 1595920), (80, 1276736), (128, 797960), (160, 638368), (256, 398980), (320, 319184), (512, 199490), (640, 159592), (1024, 99745), (1280, 79796), (2560, 39898), (5120, 19949)]