40686580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2341}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 94429440

約数和(自身を除く): 53742860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 2341, 3476, 4345, 4682, 8690, 9364, 11705, 17380, 23410, 25751, 46820, 51502, 103004, 128755, 184939, 257510, 369878, 515020, 739756, 924695, 1849390, 2034329, 3698780, 4068658, 8137316, 10171645, 20343290, 40686580]

約数ペア:

[(1, 40686580), (2, 20343290), (4, 10171645), (5, 8137316), (10, 4068658), (11, 3698780), (20, 2034329), (22, 1849390), (44, 924695), (55, 739756), (79, 515020), (110, 369878), (158, 257510), (220, 184939), (316, 128755), (395, 103004), (790, 51502), (869, 46820), (1580, 25751), (1738, 23410), (2341, 17380), (3476, 11705), (4345, 9364), (4682, 8690)]