64104760

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2477}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 144516960

約数和(自身を除く): 80412200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2477, 2588, 3235, 4954, 5176, 6470, 9908, 12385, 12940, 19816, 24770, 25880, 49540, 99080, 1602619, 3205238, 6410476, 8013095, 12820952, 16026190, 32052380, 64104760]

約数ペア:

[(1, 64104760), (2, 32052380), (4, 16026190), (5, 12820952), (8, 8013095), (10, 6410476), (20, 3205238), (40, 1602619), (647, 99080), (1294, 49540), (2477, 25880), (2588, 24770), (3235, 19816), (4954, 12940), (5176, 12385), (6470, 9908)]