126688360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{77249}}^1$

素因数の和:77301

約数の個数: 32

約数和(自身を含む): 292005000

約数和(自身を除く): 165316640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 77249, 154498, 308996, 386245, 617992, 772490, 1544980, 3089960, 3167209, 6334418, 12668836, 15836045, 25337672, 31672090, 63344180, 126688360]

約数ペア:

[(1, 126688360), (2, 63344180), (4, 31672090), (5, 25337672), (8, 15836045), (10, 12668836), (20, 6334418), (40, 3167209), (41, 3089960), (82, 1544980), (164, 772490), (205, 617992), (328, 386245), (410, 308996), (820, 154498), (1640, 77249)]