3975140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15289}}^1$

素因数の和:15311

約数の個数: 24

約数和(自身を含む): 8990520

約数和(自身を除く): 5015380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15289, 30578, 61156, 76445, 152890, 198757, 305780, 397514, 795028, 993785, 1987570, 3975140]

約数ペア:

[(1, 3975140), (2, 1987570), (4, 993785), (5, 795028), (10, 397514), (13, 305780), (20, 198757), (26, 152890), (52, 76445), (65, 61156), (130, 30578), (260, 15289)]