79936820

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{9539}}^1$

素因数の和:9967

約数の個数: 24

約数和(自身を含む): 168285600

約数和(自身を除く): 88348780

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 9539, 19078, 38156, 47695, 95390, 190780, 3996841, 7993682, 15987364, 19984205, 39968410, 79936820]

約数ペア:

[(1, 79936820), (2, 39968410), (4, 19984205), (5, 15987364), (10, 7993682), (20, 3996841), (419, 190780), (838, 95390), (1676, 47695), (2095, 38156), (4190, 19078), (8380, 9539)]