13107760

素因数分解:

$2^4\times 5^1\times {\mathrm{163847}}^1$

素因数の和:163860

約数の個数: 20

約数和(自身を含む): 30475728

約数和(自身を除く): 17367968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163847, 327694, 655388, 819235, 1310776, 1638470, 2621552, 3276940, 6553880, 13107760]

約数ペア:

[(1, 13107760), (2, 6553880), (4, 3276940), (5, 2621552), (8, 1638470), (10, 1310776), (16, 819235), (20, 655388), (40, 327694), (80, 163847)]