28176020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34361}}^1$

素因数の和:34411

約数の個数: 24

約数和(自身を含む): 60614568

約数和(自身を除く): 32438548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34361, 68722, 137444, 171805, 343610, 687220, 1408801, 2817602, 5635204, 7044005, 14088010, 28176020]

約数ペア:

[(1, 28176020), (2, 14088010), (4, 7044005), (5, 5635204), (10, 2817602), (20, 1408801), (41, 687220), (82, 343610), (164, 171805), (205, 137444), (410, 68722), (820, 34361)]