71317220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6379}}^1$

素因数の和:6444

約数の個数: 48

約数和(自身を含む): 165063360

約数和(自身を除く): 93746140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 6379, 11180, 12758, 25516, 31895, 63790, 82927, 127580, 165854, 274297, 331708, 414635, 548594, 829270, 1097188, 1371485, 1658540, 2742970, 3565861, 5485940, 7131722, 14263444, 17829305, 35658610, 71317220]

約数ペア:

[(1, 71317220), (2, 35658610), (4, 17829305), (5, 14263444), (10, 7131722), (13, 5485940), (20, 3565861), (26, 2742970), (43, 1658540), (52, 1371485), (65, 1097188), (86, 829270), (130, 548594), (172, 414635), (215, 331708), (260, 274297), (430, 165854), (559, 127580), (860, 82927), (1118, 63790), (2236, 31895), (2795, 25516), (5590, 12758), (6379, 11180)]