1604240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1823}}^1$

素因数の和:1847

約数の個数: 40

約数和(自身を含む): 4071168

約数和(自身を除く): 2466928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1823, 3646, 7292, 9115, 14584, 18230, 20053, 29168, 36460, 40106, 72920, 80212, 100265, 145840, 160424, 200530, 320848, 401060, 802120, 1604240]

約数ペア:

[(1, 1604240), (2, 802120), (4, 401060), (5, 320848), (8, 200530), (10, 160424), (11, 145840), (16, 100265), (20, 80212), (22, 72920), (40, 40106), (44, 36460), (55, 29168), (80, 20053), (88, 18230), (110, 14584), (176, 9115), (220, 7292), (440, 3646), (880, 1823)]