31117040

素因数分解:

$2^4\times 5^1\times {\mathrm{388963}}^1$

素因数の和:388976

約数の個数: 20

約数和(自身を含む): 72347304

約数和(自身を除く): 41230264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388963, 777926, 1555852, 1944815, 3111704, 3889630, 6223408, 7779260, 15558520, 31117040]

約数ペア:

[(1, 31117040), (2, 15558520), (4, 7779260), (5, 6223408), (8, 3889630), (10, 3111704), (16, 1944815), (20, 1555852), (40, 777926), (80, 388963)]