109916680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{14387}}^1$

素因数の和:14589

約数の個数: 32

約数和(自身を含む): 248624640

約数和(自身を除く): 138707960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 14387, 28774, 57548, 71935, 115096, 143870, 287740, 575480, 2747917, 5495834, 10991668, 13739585, 21983336, 27479170, 54958340, 109916680]

約数ペア:

[(1, 109916680), (2, 54958340), (4, 27479170), (5, 21983336), (8, 13739585), (10, 10991668), (20, 5495834), (40, 2747917), (191, 575480), (382, 287740), (764, 143870), (955, 115096), (1528, 71935), (1910, 57548), (3820, 28774), (7640, 14387)]