56723320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19973}}^1$

素因数の和:20055

約数の個数: 32

約数和(自身を含む): 129431520

約数和(自身を除く): 72708200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19973, 39946, 79892, 99865, 159784, 199730, 399460, 798920, 1418083, 2836166, 5672332, 7090415, 11344664, 14180830, 28361660, 56723320]

約数ペア:

[(1, 56723320), (2, 28361660), (4, 14180830), (5, 11344664), (8, 7090415), (10, 5672332), (20, 2836166), (40, 1418083), (71, 798920), (142, 399460), (284, 199730), (355, 159784), (568, 99865), (710, 79892), (1420, 39946), (2840, 19973)]