1800920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4093}}^1$

素因数の和:4115

約数の個数: 32

約数和(自身を含む): 4421520

約数和(自身を除く): 2620600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4093, 8186, 16372, 20465, 32744, 40930, 45023, 81860, 90046, 163720, 180092, 225115, 360184, 450230, 900460, 1800920]

約数ペア:

[(1, 1800920), (2, 900460), (4, 450230), (5, 360184), (8, 225115), (10, 180092), (11, 163720), (20, 90046), (22, 81860), (40, 45023), (44, 40930), (55, 32744), (88, 20465), (110, 16372), (220, 8186), (440, 4093)]