28735540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27109}}^1$

素因数の和:27171

約数の個数: 24

約数和(自身を含む): 61485480

約数和(自身を除く): 32749940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 27109, 54218, 108436, 135545, 271090, 542180, 1436777, 2873554, 5747108, 7183885, 14367770, 28735540]

約数ペア:

[(1, 28735540), (2, 14367770), (4, 7183885), (5, 5747108), (10, 2873554), (20, 1436777), (53, 542180), (106, 271090), (212, 135545), (265, 108436), (530, 54218), (1060, 27109)]