419420840

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{14423}}^1$

素因数の和:15161

約数の個数: 32

約数和(自身を含む): 945060480

約数和(自身を除く): 525639640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 7270, 14423, 14540, 28846, 29080, 57692, 72115, 115384, 144230, 288460, 576920, 10485521, 20971042, 41942084, 52427605, 83884168, 104855210, 209710420, 419420840]

約数ペア:

[(1, 419420840), (2, 209710420), (4, 104855210), (5, 83884168), (8, 52427605), (10, 41942084), (20, 20971042), (40, 10485521), (727, 576920), (1454, 288460), (2908, 144230), (3635, 115384), (5816, 72115), (7270, 57692), (14423, 29080), (14540, 28846)]