5456920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19489}}^1$

素因数の和:19507

約数の個数: 32

約数和(自身を含む): 14032800

約数和(自身を除く): 8575880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 19489, 38978, 77956, 97445, 136423, 155912, 194890, 272846, 389780, 545692, 682115, 779560, 1091384, 1364230, 2728460, 5456920]

約数ペア:

[(1, 5456920), (2, 2728460), (4, 1364230), (5, 1091384), (7, 779560), (8, 682115), (10, 545692), (14, 389780), (20, 272846), (28, 194890), (35, 155912), (40, 136423), (56, 97445), (70, 77956), (140, 38978), (280, 19489)]