72601640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16963}}^1$

素因数の和:17081

約数の個数: 32

約数和(自身を含む): 164890080

約数和(自身を除く): 92288440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 16963, 33926, 67852, 84815, 135704, 169630, 339260, 678520, 1815041, 3630082, 7260164, 9075205, 14520328, 18150410, 36300820, 72601640]

約数ペア:

[(1, 72601640), (2, 36300820), (4, 18150410), (5, 14520328), (8, 9075205), (10, 7260164), (20, 3630082), (40, 1815041), (107, 678520), (214, 339260), (428, 169630), (535, 135704), (856, 84815), (1070, 67852), (2140, 33926), (4280, 16963)]