51073540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4099}}^1$

素因数の和:4204

約数の個数: 48

約数和(自身を含む): 123984000

約数和(自身を除く): 72910460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 4099, 6230, 8198, 12460, 16396, 20495, 28693, 40990, 57386, 81980, 114772, 143465, 286930, 364811, 573860, 729622, 1459244, 1824055, 2553677, 3648110, 5107354, 7296220, 10214708, 12768385, 25536770, 51073540]

約数ペア:

[(1, 51073540), (2, 25536770), (4, 12768385), (5, 10214708), (7, 7296220), (10, 5107354), (14, 3648110), (20, 2553677), (28, 1824055), (35, 1459244), (70, 729622), (89, 573860), (140, 364811), (178, 286930), (356, 143465), (445, 114772), (623, 81980), (890, 57386), (1246, 40990), (1780, 28693), (2492, 20495), (3115, 16396), (4099, 12460), (6230, 8198)]