1255690420

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{70783}}^1$

素因数の和:71679

約数の個数: 24

約数和(自身を含む): 2639960064

約数和(自身を除く): 1384269644

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 17740, 70783, 141566, 283132, 353915, 707830, 1415660, 62784521, 125569042, 251138084, 313922605, 627845210, 1255690420]

約数ペア:

[(1, 1255690420), (2, 627845210), (4, 313922605), (5, 251138084), (10, 125569042), (20, 62784521), (887, 1415660), (1774, 707830), (3548, 353915), (4435, 283132), (8870, 141566), (17740, 70783)]