31065560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2953}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 70187040

約数和(自身を除く): 39121480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2953, 5260, 5906, 10520, 11812, 14765, 23624, 29530, 59060, 118120, 776639, 1553278, 3106556, 3883195, 6213112, 7766390, 15532780, 31065560]

約数ペア:

[(1, 31065560), (2, 15532780), (4, 7766390), (5, 6213112), (8, 3883195), (10, 3106556), (20, 1553278), (40, 776639), (263, 118120), (526, 59060), (1052, 29530), (1315, 23624), (2104, 14765), (2630, 11812), (2953, 10520), (5260, 5906)]