28644560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51151}}^1$

素因数の和:51171

約数の個数: 40

約数和(自身を含む): 76114176

約数和(自身を除く): 47469616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51151, 102302, 204604, 255755, 358057, 409208, 511510, 716114, 818416, 1023020, 1432228, 1790285, 2046040, 2864456, 3580570, 4092080, 5728912, 7161140, 14322280, 28644560]

約数ペア:

[(1, 28644560), (2, 14322280), (4, 7161140), (5, 5728912), (7, 4092080), (8, 3580570), (10, 2864456), (14, 2046040), (16, 1790285), (20, 1432228), (28, 1023020), (35, 818416), (40, 716114), (56, 511510), (70, 409208), (80, 358057), (112, 255755), (140, 204604), (280, 102302), (560, 51151)]