7812560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2020

約数の個数: 60

約数和(自身を含む): 21140388

約数和(自身を除く): 13327828

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 1993, 3920, 3986, 7972, 9965, 13951, 15944, 19930, 27902, 31888, 39860, 55804, 69755, 79720, 97657, 111608, 139510, 159440, 195314, 223216, 279020, 390628, 488285, 558040, 781256, 976570, 1116080, 1562512, 1953140, 3906280, 7812560]

約数ペア:

[(1, 7812560), (2, 3906280), (4, 1953140), (5, 1562512), (7, 1116080), (8, 976570), (10, 781256), (14, 558040), (16, 488285), (20, 390628), (28, 279020), (35, 223216), (40, 195314), (49, 159440), (56, 139510), (70, 111608), (80, 97657), (98, 79720), (112, 69755), (140, 55804), (196, 39860), (245, 31888), (280, 27902), (392, 19930), (490, 15944), (560, 13951), (784, 9965), (980, 7972), (1960, 3986), (1993, 3920)]