20161008380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1\times {\mathrm{8641}}^1$

素因数の和:11406

約数の個数: 48

約数和(自身を含む): 43343709024

約数和(自身を除く): 23182700644

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2713, 5426, 8641, 10852, 13565, 17282, 27130, 34564, 43205, 54260, 86410, 116659, 172820, 233318, 371563, 466636, 583295, 743126, 1166590, 1486252, 1857815, 2333180, 3715630, 7431260, 23443033, 46886066, 93772132, 117215165, 234430330, 468860660, 1008050419, 2016100838, 4032201676, 5040252095, 10080504190, 20161008380]

約数ペア:

[(1, 20161008380), (2, 10080504190), (4, 5040252095), (5, 4032201676), (10, 2016100838), (20, 1008050419), (43, 468860660), (86, 234430330), (172, 117215165), (215, 93772132), (430, 46886066), (860, 23443033), (2713, 7431260), (5426, 3715630), (8641, 2333180), (10852, 1857815), (13565, 1486252), (17282, 1166590), (27130, 743126), (34564, 583295), (43205, 466636), (54260, 371563), (86410, 233318), (116659, 172820)]