8366977660

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1\times {\mathrm{1627}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 17653315680

約数和(自身を除く): 9286338020

約数列:

[1, 2, 4, 5, 10, 20, 389, 661, 778, 1322, 1556, 1627, 1945, 2644, 3254, 3305, 3890, 6508, 6610, 7780, 8135, 13220, 16270, 32540, 257129, 514258, 632903, 1028516, 1075447, 1265806, 1285645, 2150894, 2531612, 2571290, 3164515, 4301788, 5142580, 5377235, 6329030, 10754470, 12658060, 21508940, 418348883, 836697766, 1673395532, 2091744415, 4183488830, 8366977660]

約数ペア:

[(1, 8366977660), (2, 4183488830), (4, 2091744415), (5, 1673395532), (10, 836697766), (20, 418348883), (389, 21508940), (661, 12658060), (778, 10754470), (1322, 6329030), (1556, 5377235), (1627, 5142580), (1945, 4301788), (2644, 3164515), (3254, 2571290), (3305, 2531612), (3890, 2150894), (6508, 1285645), (6610, 1265806), (7780, 1075447), (8135, 1028516), (13220, 632903), (16270, 514258), (32540, 257129)]