879288560

素因数分解:

$2^4\times 5^1\times {\mathrm{10991107}}^1$

素因数の和:10991120

約数の個数: 20

約数和(自身を含む): 2044346088

約数和(自身を除く): 1165057528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10991107, 21982214, 43964428, 54955535, 87928856, 109911070, 175857712, 219822140, 439644280, 879288560]

約数ペア:

[(1, 879288560), (2, 439644280), (4, 219822140), (5, 175857712), (8, 109911070), (10, 87928856), (16, 54955535), (20, 43964428), (40, 21982214), (80, 10991107)]