55144460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20766

約数の個数: 48

約数和(自身を含む): 139319040

約数和(自身を除く): 84174580

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, 20731, 41462, 82924, 103655, 145117, 207310, 290234, 393889, 414620, 580468, 725585, 787778, 1451170, 1575556, 1969445, 2757223, 2902340, 3938890, 5514446, 7877780, 11028892, 13786115, 27572230, 55144460]

約数ペア:

[(1, 55144460), (2, 27572230), (4, 13786115), (5, 11028892), (7, 7877780), (10, 5514446), (14, 3938890), (19, 2902340), (20, 2757223), (28, 1969445), (35, 1575556), (38, 1451170), (70, 787778), (76, 725585), (95, 580468), (133, 414620), (140, 393889), (190, 290234), (266, 207310), (380, 145117), (532, 103655), (665, 82924), (1330, 41462), (2660, 20731)]