51571130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20879}}^1$

素因数の和:20918

約数の個数: 32

約数和(自身を含む): 105235200

約数和(自身を除く): 53664070

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20879, 41758, 104395, 208790, 271427, 396701, 542854, 793402, 1357135, 1983505, 2714270, 3967010, 5157113, 10314226, 25785565, 51571130]

約数ペア:

[(1, 51571130), (2, 25785565), (5, 10314226), (10, 5157113), (13, 3967010), (19, 2714270), (26, 1983505), (38, 1357135), (65, 793402), (95, 542854), (130, 396701), (190, 271427), (247, 208790), (494, 104395), (1235, 41758), (2470, 20879)]