40630780

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11743}}^1$

素因数の和:11925

約数の個数: 24

約数和(自身を含む): 85825152

約数和(自身を除く): 45194372

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 11743, 23486, 46972, 58715, 117430, 234860, 2031539, 4063078, 8126156, 10157695, 20315390, 40630780]

約数ペア:

[(1, 40630780), (2, 20315390), (4, 10157695), (5, 8126156), (10, 4063078), (20, 2031539), (173, 234860), (346, 117430), (692, 58715), (865, 46972), (1730, 23486), (3460, 11743)]