12697780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4261}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 26850600

約数和(自身を除く): 14152820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 4261, 8522, 17044, 21305, 42610, 85220, 634889, 1269778, 2539556, 3174445, 6348890, 12697780]

約数ペア:

[(1, 12697780), (2, 6348890), (4, 3174445), (5, 2539556), (10, 1269778), (20, 634889), (149, 85220), (298, 42610), (596, 21305), (745, 17044), (1490, 8522), (2980, 4261)]