78609280

素因数分解:

$2^7\times 5^1\times {\mathrm{122827}}^1$

素因数の和:122846

約数の個数: 32

約数和(自身を含む): 187926840

約数和(自身を除く): 109317560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 122827, 245654, 491308, 614135, 982616, 1228270, 1965232, 2456540, 3930464, 4913080, 7860928, 9826160, 15721856, 19652320, 39304640, 78609280]

約数ペア:

[(1, 78609280), (2, 39304640), (4, 19652320), (5, 15721856), (8, 9826160), (10, 7860928), (16, 4913080), (20, 3930464), (32, 2456540), (40, 1965232), (64, 1228270), (80, 982616), (128, 614135), (160, 491308), (320, 245654), (640, 122827)]