2003037980

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{50101}}^1$

素因数の和:52109

約数の個数: 24

約数和(自身を含む): 4208568000

約数和(自身を除く): 2205530020

約数列:

[1, 2, 4, 5, 10, 20, 1999, 3998, 7996, 9995, 19990, 39980, 50101, 100202, 200404, 250505, 501010, 1002020, 100151899, 200303798, 400607596, 500759495, 1001518990, 2003037980]

約数ペア:

[(1, 2003037980), (2, 1001518990), (4, 500759495), (5, 400607596), (10, 200303798), (20, 100151899), (1999, 1002020), (3998, 501010), (7996, 250505), (9995, 200404), (19990, 100202), (39980, 50101)]