2136920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 4929120

約数和(自身を除く): 2792200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1303, 1640, 2606, 5212, 6515, 10424, 13030, 26060, 52120, 53423, 106846, 213692, 267115, 427384, 534230, 1068460, 2136920]

約数ペア:

[(1, 2136920), (2, 1068460), (4, 534230), (5, 427384), (8, 267115), (10, 213692), (20, 106846), (40, 53423), (41, 52120), (82, 26060), (164, 13030), (205, 10424), (328, 6515), (410, 5212), (820, 2606), (1303, 1640)]