52813580

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1999}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 111048000

約数和(自身を除く): 58234420

約数列:

[1, 2, 4, 5, 10, 20, 1321, 1999, 2642, 3998, 5284, 6605, 7996, 9995, 13210, 19990, 26420, 39980, 2640679, 5281358, 10562716, 13203395, 26406790, 52813580]

約数ペア:

[(1, 52813580), (2, 26406790), (4, 13203395), (5, 10562716), (10, 5281358), (20, 2640679), (1321, 39980), (1999, 26420), (2642, 19990), (3998, 13210), (5284, 9995), (6605, 7996)]