51146290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20707}}^1$

素因数の和:20746

約数の個数: 32

約数和(自身を含む): 104368320

約数和(自身を除く): 53222030

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20707, 41414, 103535, 207070, 269191, 393433, 538382, 786866, 1345955, 1967165, 2691910, 3934330, 5114629, 10229258, 25573145, 51146290]

約数ペア:

[(1, 51146290), (2, 25573145), (5, 10229258), (10, 5114629), (13, 3934330), (19, 2691910), (26, 1967165), (38, 1345955), (65, 786866), (95, 538382), (130, 393433), (190, 269191), (247, 207070), (494, 103535), (1235, 41414), (2470, 20707)]