164913.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 21111840

約数和(自身を除く): 11861960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3257, 6514, 13028, 16285, 26056, 32570, 65140, 130280, 231247, 462494, 924988, 1156235, 1849976, 2312470, 4624940, 9249880]

約数ペア:

[(1, 9249880), (2, 4624940), (4, 2312470), (5, 1849976), (8, 1156235), (10, 924988), (20, 462494), (40, 231247), (71, 130280), (142, 65140), (284, 32570), (355, 26056), (568, 16285), (710, 13028), (1420, 6514), (2840, 3257)]