166760920

素因数分解:

$2^3\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{2207}}^1$

素因数の和:4107

約数の個数: 32

約数和(自身を含む): 375580800

約数和(自身を除く): 208819880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1889, 2207, 3778, 4414, 7556, 8828, 9445, 11035, 15112, 17656, 18890, 22070, 37780, 44140, 75560, 88280, 4169023, 8338046, 16676092, 20845115, 33352184, 41690230, 83380460, 166760920]

約数ペア:

[(1, 166760920), (2, 83380460), (4, 41690230), (5, 33352184), (8, 20845115), (10, 16676092), (20, 8338046), (40, 4169023), (1889, 88280), (2207, 75560), (3778, 44140), (4414, 37780), (7556, 22070), (8828, 18890), (9445, 17656), (11035, 15112)]