16264840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2729}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 36855000

約数和(自身を除く): 20590160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2729, 2980, 5458, 5960, 10916, 13645, 21832, 27290, 54580, 109160, 406621, 813242, 1626484, 2033105, 3252968, 4066210, 8132420, 16264840]

約数ペア:

[(1, 16264840), (2, 8132420), (4, 4066210), (5, 3252968), (8, 2033105), (10, 1626484), (20, 813242), (40, 406621), (149, 109160), (298, 54580), (596, 27290), (745, 21832), (1192, 13645), (1490, 10916), (2729, 5960), (2980, 5458)]