8751440

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 20519520

約数和(自身を除く): 11768080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 787, 1112, 1390, 1574, 2224, 2780, 3148, 3935, 5560, 6296, 7870, 11120, 12592, 15740, 31480, 62960, 109393, 218786, 437572, 546965, 875144, 1093930, 1750288, 2187860, 4375720, 8751440]

約数ペア:

[(1, 8751440), (2, 4375720), (4, 2187860), (5, 1750288), (8, 1093930), (10, 875144), (16, 546965), (20, 437572), (40, 218786), (80, 109393), (139, 62960), (278, 31480), (556, 15740), (695, 12592), (787, 11120), (1112, 7870), (1390, 6296), (1574, 5560), (2224, 3935), (2780, 3148)]