55427380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89399}}^1$

素因数の和:89439

約数の個数: 24

約数和(自身を含む): 120153600

約数和(自身を除く): 64726220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 89399, 178798, 357596, 446995, 893990, 1787980, 2771369, 5542738, 11085476, 13856845, 27713690, 55427380]

約数ペア:

[(1, 55427380), (2, 27713690), (4, 13856845), (5, 11085476), (10, 5542738), (20, 2771369), (31, 1787980), (62, 893990), (124, 446995), (155, 357596), (310, 178798), (620, 89399)]