27604840

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1721}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 62301960

約数和(自身を除く): 34697120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 1721, 2005, 3208, 3442, 4010, 6884, 8020, 8605, 13768, 16040, 17210, 34420, 68840, 690121, 1380242, 2760484, 3450605, 5520968, 6901210, 13802420, 27604840]

約数ペア:

[(1, 27604840), (2, 13802420), (4, 6901210), (5, 5520968), (8, 3450605), (10, 2760484), (20, 1380242), (40, 690121), (401, 68840), (802, 34420), (1604, 17210), (1721, 16040), (2005, 13768), (3208, 8605), (3442, 8020), (4010, 6884)]