25644760

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{947}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 57846960

約数和(自身を除く): 32202200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 947, 1354, 1894, 2708, 3385, 3788, 4735, 5416, 6770, 7576, 9470, 13540, 18940, 27080, 37880, 641119, 1282238, 2564476, 3205595, 5128952, 6411190, 12822380, 25644760]

約数ペア:

[(1, 25644760), (2, 12822380), (4, 6411190), (5, 5128952), (8, 3205595), (10, 2564476), (20, 1282238), (40, 641119), (677, 37880), (947, 27080), (1354, 18940), (1894, 13540), (2708, 9470), (3385, 7576), (3788, 6770), (4735, 5416)]