80749810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2890

約数の個数: 32

約数和(自身を含む): 154031040

約数和(自身を除く): 73281230

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2707, 2983, 5414, 5966, 13535, 14915, 27070, 29830, 51433, 102866, 257165, 424999, 514330, 849998, 2124995, 4249990, 8074981, 16149962, 40374905, 80749810]

約数ペア:

[(1, 80749810), (2, 40374905), (5, 16149962), (10, 8074981), (19, 4249990), (38, 2124995), (95, 849998), (157, 514330), (190, 424999), (314, 257165), (785, 102866), (1570, 51433), (2707, 29830), (2983, 27070), (5414, 14915), (5966, 13535)]