51653780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{751}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 114965760

約数和(自身を除く): 63311980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 751, 905, 1502, 1810, 3004, 3439, 3620, 3755, 6878, 7510, 13756, 14269, 15020, 17195, 28538, 34390, 57076, 68780, 71345, 135931, 142690, 271862, 285380, 543724, 679655, 1359310, 2582689, 2718620, 5165378, 10330756, 12913445, 25826890, 51653780]

約数ペア:

[(1, 51653780), (2, 25826890), (4, 12913445), (5, 10330756), (10, 5165378), (19, 2718620), (20, 2582689), (38, 1359310), (76, 679655), (95, 543724), (181, 285380), (190, 271862), (362, 142690), (380, 135931), (724, 71345), (751, 68780), (905, 57076), (1502, 34390), (1810, 28538), (3004, 17195), (3439, 15020), (3620, 14269), (3755, 13756), (6878, 7510)]