28362920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1901}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 64021320

約数和(自身を除く): 35658400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 1901, 2984, 3730, 3802, 7460, 7604, 9505, 14920, 15208, 19010, 38020, 76040, 709073, 1418146, 2836292, 3545365, 5672584, 7090730, 14181460, 28362920]

約数ペア:

[(1, 28362920), (2, 14181460), (4, 7090730), (5, 5672584), (8, 3545365), (10, 2836292), (20, 1418146), (40, 709073), (373, 76040), (746, 38020), (1492, 19010), (1865, 15208), (1901, 14920), (2984, 9505), (3730, 7604), (3802, 7460)]