53144140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19979}}^1$

素因数の和:20014

約数の個数: 48

約数和(自身を含む): 134265600

約数和(自身を除く): 81121460

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, 19979, 39958, 79916, 99895, 139853, 199790, 279706, 379601, 399580, 559412, 699265, 759202, 1398530, 1518404, 1898005, 2657207, 2797060, 3796010, 5314414, 7592020, 10628828, 13286035, 26572070, 53144140]

約数ペア:

[(1, 53144140), (2, 26572070), (4, 13286035), (5, 10628828), (7, 7592020), (10, 5314414), (14, 3796010), (19, 2797060), (20, 2657207), (28, 1898005), (35, 1518404), (38, 1398530), (70, 759202), (76, 699265), (95, 559412), (133, 399580), (140, 379601), (190, 279706), (266, 199790), (380, 139853), (532, 99895), (665, 79916), (1330, 39958), (2660, 19979)]