200451880

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12497}}^1$

素因数の和:12909

約数の個数: 32

約数和(自身を含む): 452177640

約数和(自身を除く): 251725760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12497, 16040, 24994, 49988, 62485, 99976, 124970, 249940, 499880, 5011297, 10022594, 20045188, 25056485, 40090376, 50112970, 100225940, 200451880]

約数ペア:

[(1, 200451880), (2, 100225940), (4, 50112970), (5, 40090376), (8, 25056485), (10, 20045188), (20, 10022594), (40, 5011297), (401, 499880), (802, 249940), (1604, 124970), (2005, 99976), (3208, 62485), (4010, 49988), (8020, 24994), (12497, 16040)]