15219640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6449}}^1$

素因数の和:6519

約数の個数: 32

約数和(自身を含む): 34830000

約数和(自身を除く): 19610360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 6449, 12898, 25796, 32245, 51592, 64490, 128980, 257960, 380491, 760982, 1521964, 1902455, 3043928, 3804910, 7609820, 15219640]

約数ペア:

[(1, 15219640), (2, 7609820), (4, 3804910), (5, 3043928), (8, 1902455), (10, 1521964), (20, 760982), (40, 380491), (59, 257960), (118, 128980), (236, 64490), (295, 51592), (472, 32245), (590, 25796), (1180, 12898), (2360, 6449)]