84085880

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7757}}^1$

素因数の和:8039

約数の個数: 32

約数和(自身を含む): 189915840

約数和(自身を除く): 105829960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 7757, 10840, 15514, 31028, 38785, 62056, 77570, 155140, 310280, 2102147, 4204294, 8408588, 10510735, 16817176, 21021470, 42042940, 84085880]

約数ペア:

[(1, 84085880), (2, 42042940), (4, 21021470), (5, 16817176), (8, 10510735), (10, 8408588), (20, 4204294), (40, 2102147), (271, 310280), (542, 155140), (1084, 77570), (1355, 62056), (2168, 38785), (2710, 31028), (5420, 15514), (7757, 10840)]