99681620

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{5471}}^1$

素因数の和:6391

約数の個数: 24

約数和(自身を含む): 209599488

約数和(自身を除く): 109917868

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 5471, 9110, 10942, 18220, 21884, 27355, 54710, 109420, 4984081, 9968162, 19936324, 24920405, 49840810, 99681620]

約数ペア:

[(1, 99681620), (2, 49840810), (4, 24920405), (5, 19936324), (10, 9968162), (20, 4984081), (911, 109420), (1822, 54710), (3644, 27355), (4555, 21884), (5471, 18220), (9110, 10942)]