5138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{18353}}^1$

素因数の和:18371

約数の個数: 32

約数和(自身を含む): 13214880

約数和(自身を除く): 8076040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 18353, 36706, 73412, 91765, 128471, 146824, 183530, 256942, 367060, 513884, 642355, 734120, 1027768, 1284710, 2569420, 5138840]

約数ペア:

[(1, 5138840), (2, 2569420), (4, 1284710), (5, 1027768), (7, 734120), (8, 642355), (10, 513884), (14, 367060), (20, 256942), (28, 183530), (35, 146824), (40, 128471), (56, 91765), (70, 73412), (140, 36706), (280, 18353)]