31684520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113159}}^1$

素因数の和:113177

約数の個数: 32

約数和(自身を含む): 81475200

約数和(自身を除く): 49790680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113159, 226318, 452636, 565795, 792113, 905272, 1131590, 1584226, 2263180, 3168452, 3960565, 4526360, 6336904, 7921130, 15842260, 31684520]

約数ペア:

[(1, 31684520), (2, 15842260), (4, 7921130), (5, 6336904), (7, 4526360), (8, 3960565), (10, 3168452), (14, 2263180), (20, 1584226), (28, 1131590), (35, 905272), (40, 792113), (56, 565795), (70, 452636), (140, 226318), (280, 113159)]