15928840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:20989

約数の個数: 32

約数和(自身を含む): 37728000

約数和(自身を除く): 21799160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20959, 41918, 83836, 104795, 167672, 209590, 398221, 419180, 796442, 838360, 1592884, 1991105, 3185768, 3982210, 7964420, 15928840]

約数ペア:

[(1, 15928840), (2, 7964420), (4, 3982210), (5, 3185768), (8, 1991105), (10, 1592884), (19, 838360), (20, 796442), (38, 419180), (40, 398221), (76, 209590), (95, 167672), (152, 104795), (190, 83836), (380, 41918), (760, 20959)]