27966920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17053}}^1$

素因数の和:17105

約数の個数: 32

約数和(自身を含む): 64464120

約数和(自身を除く): 36497200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17053, 34106, 68212, 85265, 136424, 170530, 341060, 682120, 699173, 1398346, 2796692, 3495865, 5593384, 6991730, 13983460, 27966920]

約数ペア:

[(1, 27966920), (2, 13983460), (4, 6991730), (5, 5593384), (8, 3495865), (10, 2796692), (20, 1398346), (40, 699173), (41, 682120), (82, 341060), (164, 170530), (205, 136424), (328, 85265), (410, 68212), (820, 34106), (1640, 17053)]