2000280500

素因数分解:

$2^2\times 5^3\times {\mathrm{4000561}}^1$

素因数の和:4000580

約数の個数: 24

約数和(自身を含む): 4368613704

約数和(自身を除く): 2368333204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4000561, 8001122, 16002244, 20002805, 40005610, 80011220, 100014025, 200028050, 400056100, 500070125, 1000140250, 2000280500]

約数ペア:

[(1, 2000280500), (2, 1000140250), (4, 500070125), (5, 400056100), (10, 200028050), (20, 100014025), (25, 80011220), (50, 40005610), (100, 20002805), (125, 16002244), (250, 8001122), (500, 4000561)]