8090980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 18370800

約数和(自身を除く): 10279820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 449, 530, 898, 901, 1060, 1796, 1802, 2245, 3604, 4490, 4505, 7633, 8980, 9010, 15266, 18020, 23797, 30532, 38165, 47594, 76330, 95188, 118985, 152660, 237970, 404549, 475940, 809098, 1618196, 2022745, 4045490, 8090980]

約数ペア:

[(1, 8090980), (2, 4045490), (4, 2022745), (5, 1618196), (10, 809098), (17, 475940), (20, 404549), (34, 237970), (53, 152660), (68, 118985), (85, 95188), (106, 76330), (170, 47594), (212, 38165), (265, 30532), (340, 23797), (449, 18020), (530, 15266), (898, 9010), (901, 8980), (1060, 7633), (1796, 4505), (1802, 4490), (2245, 3604)]