81011180

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{6203}}^1$

素因数の和:6865

約数の個数: 24

約数和(自身を含む): 170411472

約数和(自身を除く): 89400292

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6203, 6530, 12406, 13060, 24812, 31015, 62030, 124060, 4050559, 8101118, 16202236, 20252795, 40505590, 81011180]

約数ペア:

[(1, 81011180), (2, 40505590), (4, 20252795), (5, 16202236), (10, 8101118), (20, 4050559), (653, 124060), (1306, 62030), (2612, 31015), (3265, 24812), (6203, 13060), (6530, 12406)]