13540540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 32245920

約数和(自身を除く): 18705380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2741, 4940, 5482, 10964, 13705, 27410, 35633, 52079, 54820, 71266, 104158, 142532, 178165, 208316, 260395, 356330, 520790, 677027, 712660, 1041580, 1354054, 2708108, 3385135, 6770270, 13540540]

約数ペア:

[(1, 13540540), (2, 6770270), (4, 3385135), (5, 2708108), (10, 1354054), (13, 1041580), (19, 712660), (20, 677027), (26, 520790), (38, 356330), (52, 260395), (65, 208316), (76, 178165), (95, 142532), (130, 104158), (190, 71266), (247, 54820), (260, 52079), (380, 35633), (494, 27410), (988, 13705), (1235, 10964), (2470, 5482), (2741, 4940)]