126361280

素因数分解:

$2^6\times 5^1\times {\mathrm{394879}}^1$

素因数の和:394896

約数の個数: 28

約数和(自身を含む): 300898560

約数和(自身を除く): 174537280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 394879, 789758, 1579516, 1974395, 3159032, 3948790, 6318064, 7897580, 12636128, 15795160, 25272256, 31590320, 63180640, 126361280]

約数ペア:

[(1, 126361280), (2, 63180640), (4, 31590320), (5, 25272256), (8, 15795160), (10, 12636128), (16, 7897580), (20, 6318064), (32, 3948790), (40, 3159032), (64, 1974395), (80, 1579516), (160, 789758), (320, 394879)]