28912490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{8009}}^1$

素因数の和:8054

約数の個数: 24

約数和(自身を含む): 54932580

約数和(自身を除く): 26020090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 8009, 16018, 40045, 80090, 152171, 304342, 760855, 1521710, 2891249, 5782498, 14456245, 28912490]

約数ペア:

[(1, 28912490), (2, 14456245), (5, 5782498), (10, 2891249), (19, 1521710), (38, 760855), (95, 304342), (190, 152171), (361, 80090), (722, 40045), (1805, 16018), (3610, 8009)]