40984520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53927}}^1$

素因数の和:53957

約数の個数: 32

約数和(自身を含む): 97070400

約数和(自身を除く): 56085880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 53927, 107854, 215708, 269635, 431416, 539270, 1024613, 1078540, 2049226, 2157080, 4098452, 5123065, 8196904, 10246130, 20492260, 40984520]

約数ペア:

[(1, 40984520), (2, 20492260), (4, 10246130), (5, 8196904), (8, 5123065), (10, 4098452), (19, 2157080), (20, 2049226), (38, 1078540), (40, 1024613), (76, 539270), (95, 431416), (152, 269635), (190, 215708), (380, 107854), (760, 53927)]