15284840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1811}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 34572960

約数和(自身を除く): 19288120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1811, 2110, 3622, 4220, 7244, 8440, 9055, 14488, 18110, 36220, 72440, 382121, 764242, 1528484, 1910605, 3056968, 3821210, 7642420, 15284840]

約数ペア:

[(1, 15284840), (2, 7642420), (4, 3821210), (5, 3056968), (8, 1910605), (10, 1528484), (20, 764242), (40, 382121), (211, 72440), (422, 36220), (844, 18110), (1055, 14488), (1688, 9055), (1811, 8440), (2110, 7244), (3622, 4220)]