55765640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 144115200

約数和(自身を除く): 88349560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 719, 1108, 1385, 1438, 1939, 2216, 2770, 2876, 3595, 3878, 5033, 5540, 5752, 7190, 7756, 9695, 10066, 11080, 14380, 15512, 19390, 20132, 25165, 28760, 38780, 40264, 50330, 77560, 100660, 199163, 201320, 398326, 796652, 995815, 1394141, 1593304, 1991630, 2788282, 3983260, 5576564, 6970705, 7966520, 11153128, 13941410, 27882820, 55765640]

約数ペア:

[(1, 55765640), (2, 27882820), (4, 13941410), (5, 11153128), (7, 7966520), (8, 6970705), (10, 5576564), (14, 3983260), (20, 2788282), (28, 1991630), (35, 1593304), (40, 1394141), (56, 995815), (70, 796652), (140, 398326), (277, 201320), (280, 199163), (554, 100660), (719, 77560), (1108, 50330), (1385, 40264), (1438, 38780), (1939, 28760), (2216, 25165), (2770, 20132), (2876, 19390), (3595, 15512), (3878, 14380), (5033, 11080), (5540, 10066), (5752, 9695), (7190, 7756)]