201938980

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{5051}}^1$

素因数の和:7059

約数の個数: 24

約数和(自身を含む): 424368000

約数和(自身を除く): 222429020

約数列:

[1, 2, 4, 5, 10, 20, 1999, 3998, 5051, 7996, 9995, 10102, 19990, 20204, 25255, 39980, 50510, 101020, 10096949, 20193898, 40387796, 50484745, 100969490, 201938980]

約数ペア:

[(1, 201938980), (2, 100969490), (4, 50484745), (5, 40387796), (10, 20193898), (20, 10096949), (1999, 101020), (3998, 50510), (5051, 39980), (7996, 25255), (9995, 20204), (10102, 19990)]