101808640

素因数分解:

$2^9\times 5^1\times {\mathrm{39769}}^1$

素因数の和:39792

約数の個数: 40

約数和(自身を含む): 244108260

約数和(自身を除く): 142299620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 39769, 79538, 159076, 198845, 318152, 397690, 636304, 795380, 1272608, 1590760, 2545216, 3181520, 5090432, 6363040, 10180864, 12726080, 20361728, 25452160, 50904320, 101808640]

約数ペア:

[(1, 101808640), (2, 50904320), (4, 25452160), (5, 20361728), (8, 12726080), (10, 10180864), (16, 6363040), (20, 5090432), (32, 3181520), (40, 2545216), (64, 1590760), (80, 1272608), (128, 795380), (160, 636304), (256, 397690), (320, 318152), (512, 198845), (640, 159076), (1280, 79538), (2560, 39769)]