51136540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28097}}^1$

素因数の和:28126

約数の個数: 48

約数和(自身を含む): 132172992

約数和(自身を除く): 81036452

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28097, 56194, 112388, 140485, 196679, 280970, 365261, 393358, 561940, 730522, 786716, 983395, 1461044, 1826305, 1966790, 2556827, 3652610, 3933580, 5113654, 7305220, 10227308, 12784135, 25568270, 51136540]

約数ペア:

[(1, 51136540), (2, 25568270), (4, 12784135), (5, 10227308), (7, 7305220), (10, 5113654), (13, 3933580), (14, 3652610), (20, 2556827), (26, 1966790), (28, 1826305), (35, 1461044), (52, 983395), (65, 786716), (70, 730522), (91, 561940), (130, 393358), (140, 365261), (182, 280970), (260, 196679), (364, 140485), (455, 112388), (910, 56194), (1820, 28097)]