12816700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9886

約数の個数: 36

約数和(自身を含む): 29954680

約数和(自身を除く): 17137980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 9859, 19718, 39436, 49295, 98590, 128167, 197180, 246475, 256334, 492950, 512668, 640835, 985900, 1281670, 2563340, 3204175, 6408350, 12816700]

約数ペア:

[(1, 12816700), (2, 6408350), (4, 3204175), (5, 2563340), (10, 1281670), (13, 985900), (20, 640835), (25, 512668), (26, 492950), (50, 256334), (52, 246475), (65, 197180), (100, 128167), (130, 98590), (260, 49295), (325, 39436), (650, 19718), (1300, 9859)]