17288840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2753}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 39161880

約数和(自身を除く): 21873040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2753, 3140, 5506, 6280, 11012, 13765, 22024, 27530, 55060, 110120, 432221, 864442, 1728884, 2161105, 3457768, 4322210, 8644420, 17288840]

約数ペア:

[(1, 17288840), (2, 8644420), (4, 4322210), (5, 3457768), (8, 2161105), (10, 1728884), (20, 864442), (40, 432221), (157, 110120), (314, 55060), (628, 27530), (785, 22024), (1256, 13765), (1570, 11012), (2753, 6280), (3140, 5506)]