15896720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28387}}^1$

素因数の和:28407

約数の個数: 40

約数和(自身を含む): 42241344

約数和(自身を除く): 26344624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28387, 56774, 113548, 141935, 198709, 227096, 283870, 397418, 454192, 567740, 794836, 993545, 1135480, 1589672, 1987090, 2270960, 3179344, 3974180, 7948360, 15896720]

約数ペア:

[(1, 15896720), (2, 7948360), (4, 3974180), (5, 3179344), (7, 2270960), (8, 1987090), (10, 1589672), (14, 1135480), (16, 993545), (20, 794836), (28, 567740), (35, 454192), (40, 397418), (56, 283870), (70, 227096), (80, 198709), (112, 141935), (140, 113548), (280, 56774), (560, 28387)]