2105480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4049}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 5103000

約数和(自身を除く): 2997520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4049, 8098, 16196, 20245, 32392, 40490, 52637, 80980, 105274, 161960, 210548, 263185, 421096, 526370, 1052740, 2105480]

約数ペア:

[(1, 2105480), (2, 1052740), (4, 526370), (5, 421096), (8, 263185), (10, 210548), (13, 161960), (20, 105274), (26, 80980), (40, 52637), (52, 40490), (65, 32392), (104, 20245), (130, 16196), (260, 8098), (520, 4049)]