47882840

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1811}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 107958960

約数和(自身を除く): 60076120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1811, 2644, 3305, 3622, 5288, 6610, 7244, 9055, 13220, 14488, 18110, 26440, 36220, 72440, 1197071, 2394142, 4788284, 5985355, 9576568, 11970710, 23941420, 47882840]

約数ペア:

[(1, 47882840), (2, 23941420), (4, 11970710), (5, 9576568), (8, 5985355), (10, 4788284), (20, 2394142), (40, 1197071), (661, 72440), (1322, 36220), (1811, 26440), (2644, 18110), (3305, 14488), (3622, 13220), (5288, 9055), (6610, 7244)]