20132187280

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1405879}}^1$

素因数の和:1406071

約数の個数: 40

約数和(自身を含む): 47068862400

約数和(自身を除く): 26936675120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 1405879, 2811758, 5623516, 7029395, 11247032, 14058790, 22494064, 28117580, 56235160, 112470320, 251652341, 503304682, 1006609364, 1258261705, 2013218728, 2516523410, 4026437456, 5033046820, 10066093640, 20132187280]

約数ペア:

[(1, 20132187280), (2, 10066093640), (4, 5033046820), (5, 4026437456), (8, 2516523410), (10, 2013218728), (16, 1258261705), (20, 1006609364), (40, 503304682), (80, 251652341), (179, 112470320), (358, 56235160), (716, 28117580), (895, 22494064), (1432, 14058790), (1790, 11247032), (2864, 7029395), (3580, 5623516), (7160, 2811758), (14320, 1405879)]