16051720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2887}}^1$

素因数の和:3037

約数の個数: 32

約数和(自身を含む): 36388800

約数和(自身を除く): 20337080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 2887, 5560, 5774, 11548, 14435, 23096, 28870, 57740, 115480, 401293, 802586, 1605172, 2006465, 3210344, 4012930, 8025860, 16051720]

約数ペア:

[(1, 16051720), (2, 8025860), (4, 4012930), (5, 3210344), (8, 2006465), (10, 1605172), (20, 802586), (40, 401293), (139, 115480), (278, 57740), (556, 28870), (695, 23096), (1112, 14435), (1390, 11548), (2780, 5774), (2887, 5560)]