165763720

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{3943}}^1$

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 373417920

約数和(自身を除く): 207654200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 3943, 4204, 5255, 7886, 8408, 10510, 15772, 19715, 21020, 31544, 39430, 42040, 78860, 157720, 4144093, 8288186, 16576372, 20720465, 33152744, 41440930, 82881860, 165763720]

約数ペア:

[(1, 165763720), (2, 82881860), (4, 41440930), (5, 33152744), (8, 20720465), (10, 16576372), (20, 8288186), (40, 4144093), (1051, 157720), (2102, 78860), (3943, 42040), (4204, 39430), (5255, 31544), (7886, 21020), (8408, 19715), (10510, 15772)]