90131660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63473}}^1$

素因数の和:63553

約数の個数: 24

約数和(自身を含む): 191945376

約数和(自身を除く): 101813716

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63473, 126946, 253892, 317365, 634730, 1269460, 4506583, 9013166, 18026332, 22532915, 45065830, 90131660]

約数ペア:

[(1, 90131660), (2, 45065830), (4, 22532915), (5, 18026332), (10, 9013166), (20, 4506583), (71, 1269460), (142, 634730), (284, 317365), (355, 253892), (710, 126946), (1420, 63473)]