76680440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19763}}^1$

素因数の和:19871

約数の個数: 32

約数和(自身を含む): 174318480

約数和(自身を除く): 97638040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 19763, 39526, 79052, 98815, 158104, 197630, 395260, 790520, 1917011, 3834022, 7668044, 9585055, 15336088, 19170110, 38340220, 76680440]

約数ペア:

[(1, 76680440), (2, 38340220), (4, 19170110), (5, 15336088), (8, 9585055), (10, 7668044), (20, 3834022), (40, 1917011), (97, 790520), (194, 395260), (388, 197630), (485, 158104), (776, 98815), (970, 79052), (1940, 39526), (3880, 19763)]