28692380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10321}}^1$

素因数の和:10469

約数の個数: 24

約数和(自身を含む): 60693360

約数和(自身を除く): 32000980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 10321, 20642, 41284, 51605, 103210, 206420, 1434619, 2869238, 5738476, 7173095, 14346190, 28692380]

約数ペア:

[(1, 28692380), (2, 14346190), (4, 7173095), (5, 5738476), (10, 2869238), (20, 1434619), (139, 206420), (278, 103210), (556, 51605), (695, 41284), (1390, 20642), (2780, 10321)]