51849880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18257}}^1$

素因数の和:18339

約数の個数: 32

約数和(自身を含む): 118311840

約数和(自身を除く): 66461960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18257, 36514, 73028, 91285, 146056, 182570, 365140, 730280, 1296247, 2592494, 5184988, 6481235, 10369976, 12962470, 25924940, 51849880]

約数ペア:

[(1, 51849880), (2, 25924940), (4, 12962470), (5, 10369976), (8, 6481235), (10, 5184988), (20, 2592494), (40, 1296247), (71, 730280), (142, 365140), (284, 182570), (355, 146056), (568, 91285), (710, 73028), (1420, 36514), (2840, 18257)]