78301780

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{3217}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 164620008

約数和(自身を除く): 86318228

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 3217, 4868, 6085, 6434, 12170, 12868, 16085, 24340, 32170, 64340, 3915089, 7830178, 15660356, 19575445, 39150890, 78301780]

約数ペア:

[(1, 78301780), (2, 39150890), (4, 19575445), (5, 15660356), (10, 7830178), (20, 3915089), (1217, 64340), (2434, 32170), (3217, 24340), (4868, 16085), (6085, 12868), (6434, 12170)]