79554020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43711}}^1$

素因数の和:43740

約数の個数: 48

約数和(自身を含む): 205621248

約数和(自身を除く): 126067228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43711, 87422, 174844, 218555, 305977, 437110, 568243, 611954, 874220, 1136486, 1223908, 1529885, 2272972, 2841215, 3059770, 3977701, 5682430, 6119540, 7955402, 11364860, 15910804, 19888505, 39777010, 79554020]

約数ペア:

[(1, 79554020), (2, 39777010), (4, 19888505), (5, 15910804), (7, 11364860), (10, 7955402), (13, 6119540), (14, 5682430), (20, 3977701), (26, 3059770), (28, 2841215), (35, 2272972), (52, 1529885), (65, 1223908), (70, 1136486), (91, 874220), (130, 611954), (140, 568243), (182, 437110), (260, 305977), (364, 218555), (455, 174844), (910, 87422), (1820, 43711)]