31264520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111659}}^1$

素因数の和:111677

約数の個数: 32

約数和(自身を含む): 80395200

約数和(自身を除く): 49130680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111659, 223318, 446636, 558295, 781613, 893272, 1116590, 1563226, 2233180, 3126452, 3908065, 4466360, 6252904, 7816130, 15632260, 31264520]

約数ペア:

[(1, 31264520), (2, 15632260), (4, 7816130), (5, 6252904), (7, 4466360), (8, 3908065), (10, 3126452), (14, 2233180), (20, 1563226), (28, 1116590), (35, 893272), (40, 781613), (56, 558295), (70, 446636), (140, 223318), (280, 111659)]