155536880

素因数分解:

$2^4\times 5^1\times {\mathrm{1944211}}^1$

素因数の和:1944224

約数の個数: 20

約数和(自身を含む): 361623432

約数和(自身を除く): 206086552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1944211, 3888422, 7776844, 9721055, 15553688, 19442110, 31107376, 38884220, 77768440, 155536880]

約数ペア:

[(1, 155536880), (2, 77768440), (4, 38884220), (5, 31107376), (8, 19442110), (10, 15553688), (16, 9721055), (20, 7776844), (40, 3888422), (80, 1944211)]