3390280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 7698240

約数和(自身を除く): 4307960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 647, 655, 1048, 1294, 1310, 2588, 2620, 3235, 5176, 5240, 6470, 12940, 25880, 84757, 169514, 339028, 423785, 678056, 847570, 1695140, 3390280]

約数ペア:

[(1, 3390280), (2, 1695140), (4, 847570), (5, 678056), (8, 423785), (10, 339028), (20, 169514), (40, 84757), (131, 25880), (262, 12940), (524, 6470), (647, 5240), (655, 5176), (1048, 3235), (1294, 2620), (1310, 2588)]