2018081809720

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{50002027}}^1$

素因数の和:50003047

約数の個数: 32

約数和(自身を含む): 4545184345200

約数和(自身を除く): 2527102535480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 8072, 10090, 20180, 40360, 50002027, 100004054, 200008108, 250010135, 400016216, 500020270, 1000040540, 2000081080, 50452045243, 100904090486, 201808180972, 252260226215, 403616361944, 504520452430, 1009040904860, 2018081809720]

約数ペア:

[(1, 2018081809720), (2, 1009040904860), (4, 504520452430), (5, 403616361944), (8, 252260226215), (10, 201808180972), (20, 100904090486), (40, 50452045243), (1009, 2000081080), (2018, 1000040540), (4036, 500020270), (5045, 400016216), (8072, 250010135), (10090, 200008108), (20180, 100004054), (40360, 50002027)]