8474144080

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{674693}}^1$

素因数の和:674863

約数の個数: 40

約数和(自身を含む): 19827907272

約数和(自身を除く): 11353763192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 674693, 1349386, 2698772, 3373465, 5397544, 6746930, 10795088, 13493860, 26987720, 53975440, 105926801, 211853602, 423707204, 529634005, 847414408, 1059268010, 1694828816, 2118536020, 4237072040, 8474144080]

約数ペア:

[(1, 8474144080), (2, 4237072040), (4, 2118536020), (5, 1694828816), (8, 1059268010), (10, 847414408), (16, 529634005), (20, 423707204), (40, 211853602), (80, 105926801), (157, 53975440), (314, 26987720), (628, 13493860), (785, 10795088), (1256, 6746930), (1570, 5397544), (2512, 3373465), (3140, 2698772), (6280, 1349386), (12560, 674693)]