200405960

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20789}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 452806200

約数和(自身を除く): 252400240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 20789, 41578, 83156, 103945, 166312, 207890, 415780, 831560, 5010149, 10020298, 20040596, 25050745, 40081192, 50101490, 100202980, 200405960]

約数ペア:

[(1, 200405960), (2, 100202980), (4, 50101490), (5, 40081192), (8, 25050745), (10, 20040596), (20, 10020298), (40, 5010149), (241, 831560), (482, 415780), (964, 207890), (1205, 166312), (1928, 103945), (2410, 83156), (4820, 41578), (9640, 20789)]