87987520

素因数分解:

$2^6\times 5^1\times {\mathrm{274961}}^1$

素因数の和:274978

約数の個数: 28

約数和(自身を含む): 209521044

約数和(自身を除く): 121533524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 274961, 549922, 1099844, 1374805, 2199688, 2749610, 4399376, 5499220, 8798752, 10998440, 17597504, 21996880, 43993760, 87987520]

約数ペア:

[(1, 87987520), (2, 43993760), (4, 21996880), (5, 17597504), (8, 10998440), (10, 8798752), (16, 5499220), (20, 4399376), (32, 2749610), (40, 2199688), (64, 1374805), (80, 1099844), (160, 549922), (320, 274961)]