16115920

素因数分解:

$2^4\times 5^1\times {\mathrm{201449}}^1$

素因数の和:201462

約数の個数: 20

約数和(自身を含む): 37469700

約数和(自身を除く): 21353780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 201449, 402898, 805796, 1007245, 1611592, 2014490, 3223184, 4028980, 8057960, 16115920]

約数ペア:

[(1, 16115920), (2, 8057960), (4, 4028980), (5, 3223184), (8, 2014490), (10, 1611592), (16, 1007245), (20, 805796), (40, 402898), (80, 201449)]