55209680

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1721}}^1$

素因数の和:2135

約数の個数: 40

約数和(自身を含む): 128757384

約数和(自身を除く): 73547704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 1721, 2005, 3208, 3442, 4010, 6416, 6884, 8020, 8605, 13768, 16040, 17210, 27536, 32080, 34420, 68840, 137680, 690121, 1380242, 2760484, 3450605, 5520968, 6901210, 11041936, 13802420, 27604840, 55209680]

約数ペア:

[(1, 55209680), (2, 27604840), (4, 13802420), (5, 11041936), (8, 6901210), (10, 5520968), (16, 3450605), (20, 2760484), (40, 1380242), (80, 690121), (401, 137680), (802, 68840), (1604, 34420), (1721, 32080), (2005, 27536), (3208, 17210), (3442, 16040), (4010, 13768), (6416, 8605), (6884, 8020)]