820170910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{332053}}^1$

素因数の和:332092

約数の個数: 32

約数和(自身を含む): 1673552160

約数和(自身を除く): 853381250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 332053, 664106, 1660265, 3320530, 4316689, 6309007, 8633378, 12618014, 21583445, 31545035, 43166890, 63090070, 82017091, 164034182, 410085455, 820170910]

約数ペア:

[(1, 820170910), (2, 410085455), (5, 164034182), (10, 82017091), (13, 63090070), (19, 43166890), (26, 31545035), (38, 21583445), (65, 12618014), (95, 8633378), (130, 6309007), (190, 4316689), (247, 3320530), (494, 1660265), (1235, 664106), (2470, 332053)]