23378440

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1429}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 52767000

約数和(自身を除く): 29388560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1429, 1636, 2045, 2858, 3272, 4090, 5716, 7145, 8180, 11432, 14290, 16360, 28580, 57160, 584461, 1168922, 2337844, 2922305, 4675688, 5844610, 11689220, 23378440]

約数ペア:

[(1, 23378440), (2, 11689220), (4, 5844610), (5, 4675688), (8, 2922305), (10, 2337844), (20, 1168922), (40, 584461), (409, 57160), (818, 28580), (1429, 16360), (1636, 14290), (2045, 11432), (2858, 8180), (3272, 7145), (4090, 5716)]