20033950000

素因数分解:

$2^4\times 5^5\times {\mathrm{400679}}^1$

素因数の和:400712

約数の個数: 60

約数和(自身を含む): 48516738480

約数和(自身を除く): 28482788480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3125, 5000, 6250, 10000, 12500, 25000, 50000, 400679, 801358, 1602716, 2003395, 3205432, 4006790, 6410864, 8013580, 10016975, 16027160, 20033950, 32054320, 40067900, 50084875, 80135800, 100169750, 160271600, 200339500, 250424375, 400679000, 500848750, 801358000, 1001697500, 1252121875, 2003395000, 2504243750, 4006790000, 5008487500, 10016975000, 20033950000]

約数ペア:

[(1, 20033950000), (2, 10016975000), (4, 5008487500), (5, 4006790000), (8, 2504243750), (10, 2003395000), (16, 1252121875), (20, 1001697500), (25, 801358000), (40, 500848750), (50, 400679000), (80, 250424375), (100, 200339500), (125, 160271600), (200, 100169750), (250, 80135800), (400, 50084875), (500, 40067900), (625, 32054320), (1000, 20033950), (1250, 16027160), (2000, 10016975), (2500, 8013580), (3125, 6410864), (5000, 4006790), (6250, 3205432), (10000, 2003395), (12500, 1602716), (25000, 801358), (50000, 400679)]