40852840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145903}}^1$

素因数の和:145921

約数の個数: 32

約数和(自身を含む): 105050880

約数和(自身を除く): 64198040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145903, 291806, 583612, 729515, 1021321, 1167224, 1459030, 2042642, 2918060, 4085284, 5106605, 5836120, 8170568, 10213210, 20426420, 40852840]

約数ペア:

[(1, 40852840), (2, 20426420), (4, 10213210), (5, 8170568), (7, 5836120), (8, 5106605), (10, 4085284), (14, 2918060), (20, 2042642), (28, 1459030), (35, 1167224), (40, 1021321), (56, 729515), (70, 583612), (140, 291806), (280, 145903)]