8140840

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{751}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 18408960

約数和(自身を除く): 10268120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 751, 1084, 1355, 1502, 2168, 2710, 3004, 3755, 5420, 6008, 7510, 10840, 15020, 30040, 203521, 407042, 814084, 1017605, 1628168, 2035210, 4070420, 8140840]

約数ペア:

[(1, 8140840), (2, 4070420), (4, 2035210), (5, 1628168), (8, 1017605), (10, 814084), (20, 407042), (40, 203521), (271, 30040), (542, 15020), (751, 10840), (1084, 7510), (1355, 6008), (1502, 5420), (2168, 3755), (2710, 3004)]