102728180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12809}}^1$

素因数の和:13219

約数の個数: 24

約数和(自身を含む): 216284040

約数和(自身を除く): 113555860

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 12809, 25618, 51236, 64045, 128090, 256180, 5136409, 10272818, 20545636, 25682045, 51364090, 102728180]

約数ペア:

[(1, 102728180), (2, 51364090), (4, 25682045), (5, 20545636), (10, 10272818), (20, 5136409), (401, 256180), (802, 128090), (1604, 64045), (2005, 51236), (4010, 25618), (8020, 12809)]