163564120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{57593}}^1$

素因数の和:57675

約数の個数: 32

約数和(自身を含む): 373209120

約数和(自身を除く): 209645000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 57593, 115186, 230372, 287965, 460744, 575930, 1151860, 2303720, 4089103, 8178206, 16356412, 20445515, 32712824, 40891030, 81782060, 163564120]

約数ペア:

[(1, 163564120), (2, 81782060), (4, 40891030), (5, 32712824), (8, 20445515), (10, 16356412), (20, 8178206), (40, 4089103), (71, 2303720), (142, 1151860), (284, 575930), (355, 460744), (568, 287965), (710, 230372), (1420, 115186), (2840, 57593)]