6489880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 14774400

約数和(自身を除く): 8284520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1823, 3560, 3646, 7292, 9115, 14584, 18230, 36460, 72920, 162247, 324494, 648988, 811235, 1297976, 1622470, 3244940, 6489880]

約数ペア:

[(1, 6489880), (2, 3244940), (4, 1622470), (5, 1297976), (8, 811235), (10, 648988), (20, 324494), (40, 162247), (89, 72920), (178, 36460), (356, 18230), (445, 14584), (712, 9115), (890, 7292), (1780, 3646), (1823, 3560)]