27731260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72977}}^1$

素因数の和:73005

約数の個数: 24

約数和(自身を含む): 61301520

約数和(自身を除く): 33570260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 72977, 145954, 291908, 364885, 729770, 1386563, 1459540, 2773126, 5546252, 6932815, 13865630, 27731260]

約数ペア:

[(1, 27731260), (2, 13865630), (4, 6932815), (5, 5546252), (10, 2773126), (19, 1459540), (20, 1386563), (38, 729770), (76, 364885), (95, 291908), (190, 145954), (380, 72977)]