2070842020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{18143}}^1$

素因数の和:18604

約数の個数: 48

約数和(自身を含む): 4694215680

約数和(自身を除く): 2623373660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 878, 1756, 2195, 4390, 5707, 8780, 11414, 18143, 22828, 28535, 36286, 57070, 72572, 90715, 114140, 181430, 235859, 362860, 471718, 943436, 1179295, 2358590, 4717180, 7964777, 15929554, 31859108, 39823885, 79647770, 103542101, 159295540, 207084202, 414168404, 517710505, 1035421010, 2070842020]

約数ペア:

[(1, 2070842020), (2, 1035421010), (4, 517710505), (5, 414168404), (10, 207084202), (13, 159295540), (20, 103542101), (26, 79647770), (52, 39823885), (65, 31859108), (130, 15929554), (260, 7964777), (439, 4717180), (878, 2358590), (1756, 1179295), (2195, 943436), (4390, 471718), (5707, 362860), (8780, 235859), (11414, 181430), (18143, 114140), (22828, 90715), (28535, 72572), (36286, 57070)]