1269440

素因数分解:

$2^6\times 5^1\times {\mathrm{3967}}^1$

素因数の和:3984

約数の個数: 28

約数和(自身を含む): 3023616

約数和(自身を除く): 1754176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3967, 7934, 15868, 19835, 31736, 39670, 63472, 79340, 126944, 158680, 253888, 317360, 634720, 1269440]

約数ペア:

[(1, 1269440), (2, 634720), (4, 317360), (5, 253888), (8, 158680), (10, 126944), (16, 79340), (20, 63472), (32, 39670), (40, 31736), (64, 19835), (80, 15868), (160, 7934), (320, 3967)]