205479280

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{3533}}^1$

素因数の和:4273

約数の個数: 40

約数和(自身を含む): 478531872

約数和(自身を除く): 273052592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1454, 2908, 3533, 3635, 5816, 7066, 7270, 11632, 14132, 14540, 17665, 28264, 29080, 35330, 56528, 58160, 70660, 141320, 282640, 2568491, 5136982, 10273964, 12842455, 20547928, 25684910, 41095856, 51369820, 102739640, 205479280]

約数ペア:

[(1, 205479280), (2, 102739640), (4, 51369820), (5, 41095856), (8, 25684910), (10, 20547928), (16, 12842455), (20, 10273964), (40, 5136982), (80, 2568491), (727, 282640), (1454, 141320), (2908, 70660), (3533, 58160), (3635, 56528), (5816, 35330), (7066, 29080), (7270, 28264), (11632, 17665), (14132, 14540)]