3995030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 7862400

約数和(自身を除く): 3867370

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 389, 395, 778, 790, 1027, 1945, 2054, 3890, 5057, 5135, 10114, 10270, 25285, 30731, 50570, 61462, 153655, 307310, 399503, 799006, 1997515, 3995030]

約数ペア:

[(1, 3995030), (2, 1997515), (5, 799006), (10, 399503), (13, 307310), (26, 153655), (65, 61462), (79, 50570), (130, 30731), (158, 25285), (389, 10270), (395, 10114), (778, 5135), (790, 5057), (1027, 3890), (1945, 2054)]