25621180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98543}}^1$

素因数の和:98565

約数の個数: 24

約数和(自身を含む): 57943872

約数和(自身を除く): 32322692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98543, 197086, 394172, 492715, 985430, 1281059, 1970860, 2562118, 5124236, 6405295, 12810590, 25621180]

約数ペア:

[(1, 25621180), (2, 12810590), (4, 6405295), (5, 5124236), (10, 2562118), (13, 1970860), (20, 1281059), (26, 985430), (52, 492715), (65, 394172), (130, 197086), (260, 98543)]