40904000

素因数分解:

$2^6\times 5^3\times {\mathrm{5113}}^1$

素因数の和:5140

約数の個数: 56

約数和(自身を含む): 101318568

約数和(自身を除く): 60414568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 5113, 8000, 10226, 20452, 25565, 40904, 51130, 81808, 102260, 127825, 163616, 204520, 255650, 327232, 409040, 511300, 639125, 818080, 1022600, 1278250, 1636160, 2045200, 2556500, 4090400, 5113000, 8180800, 10226000, 20452000, 40904000]

約数ペア:

[(1, 40904000), (2, 20452000), (4, 10226000), (5, 8180800), (8, 5113000), (10, 4090400), (16, 2556500), (20, 2045200), (25, 1636160), (32, 1278250), (40, 1022600), (50, 818080), (64, 639125), (80, 511300), (100, 409040), (125, 327232), (160, 255650), (200, 204520), (250, 163616), (320, 127825), (400, 102260), (500, 81808), (800, 51130), (1000, 40904), (1600, 25565), (2000, 20452), (4000, 10226), (5113, 8000)]