39810590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 74299680

約数和(自身を除く): 34489090

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 1091, 2182, 3649, 5455, 7298, 10910, 18245, 36490, 44731, 89462, 97099, 194198, 223655, 447310, 485495, 970990, 3981059, 7962118, 19905295, 39810590]

約数ペア:

[(1, 39810590), (2, 19905295), (5, 7962118), (10, 3981059), (41, 970990), (82, 485495), (89, 447310), (178, 223655), (205, 194198), (410, 97099), (445, 89462), (890, 44731), (1091, 36490), (2182, 18245), (3649, 10910), (5455, 7298)]