38973320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13723}}^1$

素因数の和:13805

約数の個数: 32

約数和(自身を含む): 88931520

約数和(自身を除く): 49958200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13723, 27446, 54892, 68615, 109784, 137230, 274460, 548920, 974333, 1948666, 3897332, 4871665, 7794664, 9743330, 19486660, 38973320]

約数ペア:

[(1, 38973320), (2, 19486660), (4, 9743330), (5, 7794664), (8, 4871665), (10, 3897332), (20, 1948666), (40, 974333), (71, 548920), (142, 274460), (284, 137230), (355, 109784), (568, 68615), (710, 54892), (1420, 27446), (2840, 13723)]