70138520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12799}}^1$

素因数の和:12947

約数の個数: 32

約数和(自身を含む): 158976000

約数和(自身を除く): 88837480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12799, 25598, 51196, 63995, 102392, 127990, 255980, 511960, 1753463, 3506926, 7013852, 8767315, 14027704, 17534630, 35069260, 70138520]

約数ペア:

[(1, 70138520), (2, 35069260), (4, 17534630), (5, 14027704), (8, 8767315), (10, 7013852), (20, 3506926), (40, 1753463), (137, 511960), (274, 255980), (548, 127990), (685, 102392), (1096, 63995), (1370, 51196), (2740, 25598), (5480, 12799)]