31089040

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1697}}^1$

素因数の和:1939

約数の個数: 40

約数和(自身を含む): 72640440

約数和(自身を除く): 41551400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1697, 1832, 2290, 3394, 3664, 4580, 6788, 8485, 9160, 13576, 16970, 18320, 27152, 33940, 67880, 135760, 388613, 777226, 1554452, 1943065, 3108904, 3886130, 6217808, 7772260, 15544520, 31089040]

約数ペア:

[(1, 31089040), (2, 15544520), (4, 7772260), (5, 6217808), (8, 3886130), (10, 3108904), (16, 1943065), (20, 1554452), (40, 777226), (80, 388613), (229, 135760), (458, 67880), (916, 33940), (1145, 27152), (1697, 18320), (1832, 16970), (2290, 13576), (3394, 9160), (3664, 8485), (4580, 6788)]