8988520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11857

約数の個数: 32

約数和(自身を含む): 21290400

約数和(自身を除く): 12301880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11827, 23654, 47308, 59135, 94616, 118270, 224713, 236540, 449426, 473080, 898852, 1123565, 1797704, 2247130, 4494260, 8988520]

約数ペア:

[(1, 8988520), (2, 4494260), (4, 2247130), (5, 1797704), (8, 1123565), (10, 898852), (19, 473080), (20, 449426), (38, 236540), (40, 224713), (76, 118270), (95, 94616), (152, 59135), (190, 47308), (380, 23654), (760, 11827)]