68366920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{58937}}^1$

素因数の和:58977

約数の個数: 32

約数和(自身を含む): 159132600

約数和(自身を除く): 90765680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 58937, 117874, 235748, 294685, 471496, 589370, 1178740, 1709173, 2357480, 3418346, 6836692, 8545865, 13673384, 17091730, 34183460, 68366920]

約数ペア:

[(1, 68366920), (2, 34183460), (4, 17091730), (5, 13673384), (8, 8545865), (10, 6836692), (20, 3418346), (29, 2357480), (40, 1709173), (58, 1178740), (116, 589370), (145, 471496), (232, 294685), (290, 235748), (580, 117874), (1160, 58937)]