15885157040

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{390107}}^1$

素因数の和:390629

約数の個数: 40

約数和(自身を含む): 37005644880

約数和(自身を除く): 21120487840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 20360, 40720, 390107, 780214, 1560428, 1950535, 3120856, 3901070, 6241712, 7802140, 15604280, 31208560, 198564463, 397128926, 794257852, 992822315, 1588515704, 1985644630, 3177031408, 3971289260, 7942578520, 15885157040]

約数ペア:

[(1, 15885157040), (2, 7942578520), (4, 3971289260), (5, 3177031408), (8, 1985644630), (10, 1588515704), (16, 992822315), (20, 794257852), (40, 397128926), (80, 198564463), (509, 31208560), (1018, 15604280), (2036, 7802140), (2545, 6241712), (4072, 3901070), (5090, 3120856), (8144, 1950535), (10180, 1560428), (20360, 780214), (40720, 390107)]