84162020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{919}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 187017600

約数和(自身を除く): 102855580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 380, 482, 919, 964, 1205, 1838, 2410, 3676, 4579, 4595, 4820, 9158, 9190, 17461, 18316, 18380, 22895, 34922, 45790, 69844, 87305, 91580, 174610, 221479, 349220, 442958, 885916, 1107395, 2214790, 4208101, 4429580, 8416202, 16832404, 21040505, 42081010, 84162020]

約数ペア:

[(1, 84162020), (2, 42081010), (4, 21040505), (5, 16832404), (10, 8416202), (19, 4429580), (20, 4208101), (38, 2214790), (76, 1107395), (95, 885916), (190, 442958), (241, 349220), (380, 221479), (482, 174610), (919, 91580), (964, 87305), (1205, 69844), (1838, 45790), (2410, 34922), (3676, 22895), (4579, 18380), (4595, 18316), (4820, 17461), (9158, 9190)]