28126040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13267}}^1$

素因数の和:13331

約数の個数: 32

約数和(自身を含む): 64482480

約数和(自身を除く): 36356440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13267, 26534, 53068, 66335, 106136, 132670, 265340, 530680, 703151, 1406302, 2812604, 3515755, 5625208, 7031510, 14063020, 28126040]

約数ペア:

[(1, 28126040), (2, 14063020), (4, 7031510), (5, 5625208), (8, 3515755), (10, 2812604), (20, 1406302), (40, 703151), (53, 530680), (106, 265340), (212, 132670), (265, 106136), (424, 66335), (530, 53068), (1060, 26534), (2120, 13267)]