29282780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16451}}^1$

素因数の和:16549

約数の個数: 24

約数和(自身を含む): 62188560

約数和(自身を除く): 32905780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16451, 32902, 65804, 82255, 164510, 329020, 1464139, 2928278, 5856556, 7320695, 14641390, 29282780]

約数ペア:

[(1, 29282780), (2, 14641390), (4, 7320695), (5, 5856556), (10, 2928278), (20, 1464139), (89, 329020), (178, 164510), (356, 82255), (445, 65804), (890, 32902), (1780, 16451)]