713481680

素因数分解:

$2^4\times 5^1\times {\mathrm{8918521}}^1$

素因数の和:8918534

約数の個数: 20

約数和(自身を含む): 1658845092

約数和(自身を除く): 945363412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8918521, 17837042, 35674084, 44592605, 71348168, 89185210, 142696336, 178370420, 356740840, 713481680]

約数ペア:

[(1, 713481680), (2, 356740840), (4, 178370420), (5, 142696336), (8, 89185210), (10, 71348168), (16, 44592605), (20, 35674084), (40, 17837042), (80, 8918521)]