2006402800

素因数分解:

$2^4\times 5^2\times {\mathrm{1109}}^1\times {\mathrm{4523}}^1$

素因数の和:5650

約数の個数: 60

約数和(自身を含む): 4825796040

約数和(自身を除く): 2819393240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1109, 2218, 4436, 4523, 5545, 8872, 9046, 11090, 17744, 18092, 22180, 22615, 27725, 36184, 44360, 45230, 55450, 72368, 88720, 90460, 110900, 113075, 180920, 221800, 226150, 361840, 443600, 452300, 904600, 1809200, 5016007, 10032014, 20064028, 25080035, 40128056, 50160070, 80256112, 100320140, 125400175, 200640280, 250800350, 401280560, 501600700, 1003201400, 2006402800]

約数ペア:

[(1, 2006402800), (2, 1003201400), (4, 501600700), (5, 401280560), (8, 250800350), (10, 200640280), (16, 125400175), (20, 100320140), (25, 80256112), (40, 50160070), (50, 40128056), (80, 25080035), (100, 20064028), (200, 10032014), (400, 5016007), (1109, 1809200), (2218, 904600), (4436, 452300), (4523, 443600), (5545, 361840), (8872, 226150), (9046, 221800), (11090, 180920), (17744, 113075), (18092, 110900), (22180, 90460), (22615, 88720), (27725, 72368), (36184, 55450), (44360, 45230)]