140285440

素因数分解:

$2^9\times 5^1\times {\mathrm{54799}}^1$

素因数の和:54822

約数の個数: 40

約数和(自身を含む): 336362400

約数和(自身を除く): 196076960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 54799, 109598, 219196, 273995, 438392, 547990, 876784, 1095980, 1753568, 2191960, 3507136, 4383920, 7014272, 8767840, 14028544, 17535680, 28057088, 35071360, 70142720, 140285440]

約数ペア:

[(1, 140285440), (2, 70142720), (4, 35071360), (5, 28057088), (8, 17535680), (10, 14028544), (16, 8767840), (20, 7014272), (32, 4383920), (40, 3507136), (64, 2191960), (80, 1753568), (128, 1095980), (160, 876784), (256, 547990), (320, 438392), (512, 273995), (640, 219196), (1280, 109598), (2560, 54799)]