7818080

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 18661104

約数和(自身を除く): 10843024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 373, 524, 655, 746, 1048, 1310, 1492, 1865, 2096, 2620, 2984, 3730, 4192, 5240, 5968, 7460, 10480, 11936, 14920, 20960, 29840, 48863, 59680, 97726, 195452, 244315, 390904, 488630, 781808, 977260, 1563616, 1954520, 3909040, 7818080]

約数ペア:

[(1, 7818080), (2, 3909040), (4, 1954520), (5, 1563616), (8, 977260), (10, 781808), (16, 488630), (20, 390904), (32, 244315), (40, 195452), (80, 97726), (131, 59680), (160, 48863), (262, 29840), (373, 20960), (524, 14920), (655, 11936), (746, 10480), (1048, 7460), (1310, 5968), (1492, 5240), (1865, 4192), (2096, 3730), (2620, 2984)]