85816540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 193324320

約数和(自身を除く): 107507780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 4261, 5035, 8522, 10070, 17044, 20140, 21305, 42610, 80959, 85220, 161918, 225833, 323836, 404795, 451666, 809590, 903332, 1129165, 1619180, 2258330, 4290827, 4516660, 8581654, 17163308, 21454135, 42908270, 85816540]

約数ペア:

[(1, 85816540), (2, 42908270), (4, 21454135), (5, 17163308), (10, 8581654), (19, 4516660), (20, 4290827), (38, 2258330), (53, 1619180), (76, 1129165), (95, 903332), (106, 809590), (190, 451666), (212, 404795), (265, 323836), (380, 225833), (530, 161918), (1007, 85220), (1060, 80959), (2014, 42610), (4028, 21305), (4261, 20140), (5035, 17044), (8522, 10070)]