16644520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 38786580

約数和(自身を除く): 22142060

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 433, 620, 866, 961, 1240, 1732, 1922, 2165, 3464, 3844, 4330, 4805, 7688, 8660, 9610, 13423, 17320, 19220, 26846, 38440, 53692, 67115, 107384, 134230, 268460, 416113, 536920, 832226, 1664452, 2080565, 3328904, 4161130, 8322260, 16644520]

約数ペア:

[(1, 16644520), (2, 8322260), (4, 4161130), (5, 3328904), (8, 2080565), (10, 1664452), (20, 832226), (31, 536920), (40, 416113), (62, 268460), (124, 134230), (155, 107384), (248, 67115), (310, 53692), (433, 38440), (620, 26846), (866, 19220), (961, 17320), (1240, 13423), (1732, 9610), (1922, 8660), (2165, 7688), (3464, 4805), (3844, 4330)]