7042840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25153}}^1$

素因数の和:25171

約数の個数: 32

約数和(自身を含む): 18110880

約数和(自身を除く): 11068040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25153, 50306, 100612, 125765, 176071, 201224, 251530, 352142, 503060, 704284, 880355, 1006120, 1408568, 1760710, 3521420, 7042840]

約数ペア:

[(1, 7042840), (2, 3521420), (4, 1760710), (5, 1408568), (7, 1006120), (8, 880355), (10, 704284), (14, 503060), (20, 352142), (28, 251530), (35, 201224), (40, 176071), (56, 125765), (70, 100612), (140, 50306), (280, 25153)]