87897280

素因数分解:

$2^6\times 5^1\times {\mathrm{274679}}^1$

素因数の和:274696

約数の個数: 28

約数和(自身を含む): 209306160

約数和(自身を除く): 121408880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 274679, 549358, 1098716, 1373395, 2197432, 2746790, 4394864, 5493580, 8789728, 10987160, 17579456, 21974320, 43948640, 87897280]

約数ペア:

[(1, 87897280), (2, 43948640), (4, 21974320), (5, 17579456), (8, 10987160), (10, 8789728), (16, 5493580), (20, 4394864), (32, 2746790), (40, 2197432), (64, 1373395), (80, 1098716), (160, 549358), (320, 274679)]