2149804840

素因数分解:

$2^3\times 5^1\times {\mathrm{53745121}}^1$

素因数の和:53745132

約数の個数: 16

約数和(自身を含む): 4837060980

約数和(自身を除く): 2687256140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53745121, 107490242, 214980484, 268725605, 429960968, 537451210, 1074902420, 2149804840]

約数ペア:

[(1, 2149804840), (2, 1074902420), (4, 537451210), (5, 429960968), (8, 268725605), (10, 214980484), (20, 107490242), (40, 53745121)]