16880920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{60289}}^1$

素因数の和:60307

約数の個数: 32

約数和(自身を含む): 43408800

約数和(自身を除く): 26527880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 60289, 120578, 241156, 301445, 422023, 482312, 602890, 844046, 1205780, 1688092, 2110115, 2411560, 3376184, 4220230, 8440460, 16880920]

約数ペア:

[(1, 16880920), (2, 8440460), (4, 4220230), (5, 3376184), (7, 2411560), (8, 2110115), (10, 1688092), (14, 1205780), (20, 844046), (28, 602890), (35, 482312), (40, 422023), (56, 301445), (70, 241156), (140, 120578), (280, 60289)]