40289272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 79837200

約数和(自身を除く): 39547928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 401, 661, 802, 1322, 1604, 2644, 3208, 5288, 7619, 12559, 15238, 25118, 30476, 50236, 60952, 100472, 265061, 530122, 1060244, 2120488, 5036159, 10072318, 20144636, 40289272]

約数ペア:

[(1, 40289272), (2, 20144636), (4, 10072318), (8, 5036159), (19, 2120488), (38, 1060244), (76, 530122), (152, 265061), (401, 100472), (661, 60952), (802, 50236), (1322, 30476), (1604, 25118), (2644, 15238), (3208, 12559), (5288, 7619)]