4040144000

素因数分解:

$2^7\times 5^3\times {\mathrm{252509}}^1$

素因数の和:252538

約数の個数: 64

約数和(自身を含む): 10044847800

約数和(自身を除く): 6004703800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 8000, 16000, 252509, 505018, 1010036, 1262545, 2020072, 2525090, 4040144, 5050180, 6312725, 8080288, 10100360, 12625450, 16160576, 20200720, 25250900, 31563625, 32321152, 40401440, 50501800, 63127250, 80802880, 101003600, 126254500, 161605760, 202007200, 252509000, 404014400, 505018000, 808028800, 1010036000, 2020072000, 4040144000]

約数ペア:

[(1, 4040144000), (2, 2020072000), (4, 1010036000), (5, 808028800), (8, 505018000), (10, 404014400), (16, 252509000), (20, 202007200), (25, 161605760), (32, 126254500), (40, 101003600), (50, 80802880), (64, 63127250), (80, 50501800), (100, 40401440), (125, 32321152), (128, 31563625), (160, 25250900), (200, 20200720), (250, 16160576), (320, 12625450), (400, 10100360), (500, 8080288), (640, 6312725), (800, 5050180), (1000, 4040144), (1600, 2525090), (2000, 2020072), (3200, 1262545), (4000, 1010036), (8000, 505018), (16000, 252509)]