16764520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5903}}^1$

素因数の和:5985

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 21493400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5903, 11806, 23612, 29515, 47224, 59030, 118060, 236120, 419113, 838226, 1676452, 2095565, 3352904, 4191130, 8382260, 16764520]

約数ペア:

[(1, 16764520), (2, 8382260), (4, 4191130), (5, 3352904), (8, 2095565), (10, 1676452), (20, 838226), (40, 419113), (71, 236120), (142, 118060), (284, 59030), (355, 47224), (568, 29515), (710, 23612), (1420, 11806), (2840, 5903)]