16466440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1951}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 37244160

約数和(自身を除く): 20777720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1951, 2110, 3902, 4220, 7804, 8440, 9755, 15608, 19510, 39020, 78040, 411661, 823322, 1646644, 2058305, 3293288, 4116610, 8233220, 16466440]

約数ペア:

[(1, 16466440), (2, 8233220), (4, 4116610), (5, 3293288), (8, 2058305), (10, 1646644), (20, 823322), (40, 411661), (211, 78040), (422, 39020), (844, 19510), (1055, 15608), (1688, 9755), (1951, 8440), (2110, 7804), (3902, 4220)]