40769540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2293}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 98660352

約数和(自身を除く): 57890812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2293, 2540, 3556, 4445, 4586, 8890, 9172, 11465, 16051, 17780, 22930, 32102, 45860, 64204, 80255, 160510, 291211, 321020, 582422, 1164844, 1456055, 2038477, 2912110, 4076954, 5824220, 8153908, 10192385, 20384770, 40769540]

約数ペア:

[(1, 40769540), (2, 20384770), (4, 10192385), (5, 8153908), (7, 5824220), (10, 4076954), (14, 2912110), (20, 2038477), (28, 1456055), (35, 1164844), (70, 582422), (127, 321020), (140, 291211), (254, 160510), (508, 80255), (635, 64204), (889, 45860), (1270, 32102), (1778, 22930), (2293, 17780), (2540, 16051), (3556, 11465), (4445, 9172), (4586, 8890)]