2149180840

素因数分解:

$2^3\times 5^1\times {\mathrm{53729521}}^1$

素因数の和:53729532

約数の個数: 16

約数和(自身を含む): 4835656980

約数和(自身を除く): 2686476140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53729521, 107459042, 214918084, 268647605, 429836168, 537295210, 1074590420, 2149180840]

約数ペア:

[(1, 2149180840), (2, 1074590420), (4, 537295210), (5, 429836168), (8, 268647605), (10, 214918084), (20, 107459042), (40, 53729521)]