12985940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 30227904

約数和(自身を除く): 17241964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 881, 1340, 1474, 1762, 2948, 3524, 3685, 4405, 7370, 8810, 9691, 14740, 17620, 19382, 38764, 48455, 59027, 96910, 118054, 193820, 236108, 295135, 590270, 649297, 1180540, 1298594, 2597188, 3246485, 6492970, 12985940]

約数ペア:

[(1, 12985940), (2, 6492970), (4, 3246485), (5, 2597188), (10, 1298594), (11, 1180540), (20, 649297), (22, 590270), (44, 295135), (55, 236108), (67, 193820), (110, 118054), (134, 96910), (220, 59027), (268, 48455), (335, 38764), (670, 19382), (737, 17620), (881, 14740), (1340, 9691), (1474, 8810), (1762, 7370), (2948, 4405), (3524, 3685)]