7950280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15289}}^1$

素因数の和:15313

約数の個数: 32

約数和(自身を含む): 19265400

約数和(自身を除く): 11315120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15289, 30578, 61156, 76445, 122312, 152890, 198757, 305780, 397514, 611560, 795028, 993785, 1590056, 1987570, 3975140, 7950280]

約数ペア:

[(1, 7950280), (2, 3975140), (4, 1987570), (5, 1590056), (8, 993785), (10, 795028), (13, 611560), (20, 397514), (26, 305780), (40, 198757), (52, 152890), (65, 122312), (104, 76445), (130, 61156), (260, 30578), (520, 15289)]