163935880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{36269}}^1$

素因数の和:36393

約数の個数: 32

約数和(自身を含む): 372130200

約数和(自身を除く): 208194320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 36269, 72538, 145076, 181345, 290152, 362690, 725380, 1450760, 4098397, 8196794, 16393588, 20491985, 32787176, 40983970, 81967940, 163935880]

約数ペア:

[(1, 163935880), (2, 81967940), (4, 40983970), (5, 32787176), (8, 20491985), (10, 16393588), (20, 8196794), (40, 4098397), (113, 1450760), (226, 725380), (452, 362690), (565, 290152), (904, 181345), (1130, 145076), (2260, 72538), (4520, 36269)]