1640496008

素因数分解:

$2^3\times {\mathrm{1979}}^1\times {\mathrm{103619}}^1$

素因数の和:105604

約数の個数: 16

約数和(自身を含む): 3077514000

約数和(自身を除く): 1437017992

約数列:

[1, 2, 4, 8, 1979, 3958, 7916, 15832, 103619, 207238, 414476, 828952, 205062001, 410124002, 820248004, 1640496008]

約数ペア:

[(1, 1640496008), (2, 820248004), (4, 410124002), (8, 205062001), (1979, 828952), (3958, 414476), (7916, 207238), (15832, 103619)]