53511220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20117}}^1$

素因数の和:20152

約数の個数: 48

約数和(自身を含む): 135192960

約数和(自身を除く): 81681740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20117, 40234, 80468, 100585, 140819, 201170, 281638, 382223, 402340, 563276, 704095, 764446, 1408190, 1528892, 1911115, 2675561, 2816380, 3822230, 5351122, 7644460, 10702244, 13377805, 26755610, 53511220]

約数ペア:

[(1, 53511220), (2, 26755610), (4, 13377805), (5, 10702244), (7, 7644460), (10, 5351122), (14, 3822230), (19, 2816380), (20, 2675561), (28, 1911115), (35, 1528892), (38, 1408190), (70, 764446), (76, 704095), (95, 563276), (133, 402340), (140, 382223), (190, 281638), (266, 201170), (380, 140819), (532, 100585), (665, 80468), (1330, 40234), (2660, 20117)]