4353880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 9914400

約数和(自身を除く): 5560520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1223, 1780, 2446, 3560, 4892, 6115, 9784, 12230, 24460, 48920, 108847, 217694, 435388, 544235, 870776, 1088470, 2176940, 4353880]

約数ペア:

[(1, 4353880), (2, 2176940), (4, 1088470), (5, 870776), (8, 544235), (10, 435388), (20, 217694), (40, 108847), (89, 48920), (178, 24460), (356, 12230), (445, 9784), (712, 6115), (890, 4892), (1223, 3560), (1780, 2446)]