12804517160

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1963883}}^1$

素因数の和:1964057

約数の個数: 32

約数和(自身を含む): 28986927840

約数和(自身を除く): 16182410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 1963883, 3927766, 7855532, 9819415, 15711064, 19638830, 39277660, 78555320, 320112929, 640225858, 1280451716, 1600564645, 2560903432, 3201129290, 6402258580, 12804517160]

約数ペア:

[(1, 12804517160), (2, 6402258580), (4, 3201129290), (5, 2560903432), (8, 1600564645), (10, 1280451716), (20, 640225858), (40, 320112929), (163, 78555320), (326, 39277660), (652, 19638830), (815, 15711064), (1304, 9819415), (1630, 7855532), (3260, 3927766), (6520, 1963883)]