201043880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56473}}^1$

素因数の和:56573

約数の個数: 32

約数和(自身を含む): 457439400

約数和(自身を除く): 256395520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56473, 112946, 225892, 282365, 451784, 564730, 1129460, 2258920, 5026097, 10052194, 20104388, 25130485, 40208776, 50260970, 100521940, 201043880]

約数ペア:

[(1, 201043880), (2, 100521940), (4, 50260970), (5, 40208776), (8, 25130485), (10, 20104388), (20, 10052194), (40, 5026097), (89, 2258920), (178, 1129460), (356, 564730), (445, 451784), (712, 282365), (890, 225892), (1780, 112946), (3560, 56473)]