128561380

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{35911}}^1$

素因数の和:36099

約数の個数: 24

約数和(自身を含む): 271494720

約数和(自身を除く): 142933340

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 35911, 71822, 143644, 179555, 359110, 718220, 6428069, 12856138, 25712276, 32140345, 64280690, 128561380]

約数ペア:

[(1, 128561380), (2, 64280690), (4, 32140345), (5, 25712276), (10, 12856138), (20, 6428069), (179, 718220), (358, 359110), (716, 179555), (895, 143644), (1790, 71822), (3580, 35911)]