81519350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1565

約数の個数: 48

約数和(自身を含む): 167132160

約数和(自身を除く): 85612810

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 103, 110, 206, 275, 515, 550, 1030, 1133, 1439, 2266, 2575, 2878, 5150, 5665, 7195, 11330, 14390, 15829, 28325, 31658, 35975, 56650, 71950, 79145, 148217, 158290, 296434, 395725, 741085, 791450, 1482170, 1630387, 3260774, 3705425, 7410850, 8151935, 16303870, 40759675, 81519350]

約数ペア:

[(1, 81519350), (2, 40759675), (5, 16303870), (10, 8151935), (11, 7410850), (22, 3705425), (25, 3260774), (50, 1630387), (55, 1482170), (103, 791450), (110, 741085), (206, 395725), (275, 296434), (515, 158290), (550, 148217), (1030, 79145), (1133, 71950), (1439, 56650), (2266, 35975), (2575, 31658), (2878, 28325), (5150, 15829), (5665, 14390), (7195, 11330)]